MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
|
|
- Ethan Payne
- 5 years ago
- Views:
Transcription
1 Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A solution containing a large concentration of dissolved ions can be classified as a(n). 1) A) suspension B) weak solution C) unsaturated solution D) solvent E) electrolyte 2) How many atoms of neon occupy a volume of 14.3 L at STP? 2) A) atoms B) atoms C) atoms D) atoms E) atoms 3) Assuming that the pressure and quantity of a gas sample remain constant, what will be the final volume of a 4.86 L sample of a gas at 281 C which is cooled to 225 C? A) 2.92 L B) 4.37 L C) 5.19 L D) 2.78 L 3) 4) An increase in the temperature of a solution usually 4) A) increases the solubility of a gas in the solution. B) increases the boiling point. C) decreases the solubility of a solid solute in the solution. D) decreases the solubility of a liquid solute in the solution. E) increases the solubility of a solid solute in the solution. 5) How is the solubility of a solid affected by temperature? 5) A) As temperature goes up, the solubility goes up. B) As temperature goes down, the solubility goes down. C) As temperature goes up, the solubility goes down. D) As temperature goes down, the solubility goes up. E) both A and B 6) Methanol, CH3OH, can be classified as a. 6) A) solid B) strong electrolyte C) gas D) weak electrolyte E) nonelectrolyte 7) Which of the following interparticle attractions play a part in the formation of a solution? 7) A) answers A, B, and C play a part B) solvent-solvent C) solute-solute D) solvent-solute 1
2 8) In a solution, the solvent is. 8) A) always water B) the substance present in the greatest amount C) the substance being dissolved D) always a liquid 9) In a solution, solutes. 9) A) must be liquids B) cannot be solids C) can be solids, liquids or gases D) can be liquids or gases 10) Oil does not dissolve in water because 10) A) oil is hydrated. B) oil is polar. C) water is nonpolar. D) water is saturated. E) oil is nonpolar. 11) The ideal gas equation cannot be written as. 11) A) B) C) PV = nrt D) 12) A gas under an initial pressure of 0.60 atm is compressed at constant temperature from 27 L to 3.0 L. The final pressure becomes. A) atm B) 5.4 atm C) 0.54 atm D) 54 atm 12) 13) How is the solubility of a gas affected by temperature? 13) A) As temperature goes up, the solubility goes up. B) As temperature goes up, the solubility stays the same. C) As temperature goes down, the solubility goes up. D) As temperature goes down, the solubility goes down. E) both A and B 14) What volume of 8.25 M HCl solution must be diluted to prepare 2.40 L of M HCl solution? 14) A) 438 ml B) 39.6 L C) 145 ml D) L 15) The volume of 2.3 g nitrogen gas at STP is. 15) A) 11.2 L B) 22.4 L C) 1.8 L D) 44.8 L 16) According to the kinetic theory of gases, particles of a gas 16) A) are very large. B) lose their valence electrons. C) move slowly. D) decrease kinetic energy as temperature increases. E) are very far apart. 17) As you rise higher in Earth's atmosphere, the atmospheric pressure 17) A) increases. B) remains the same. C) decreases. 2
3 18) When KCl dissolves in water 18) A) the Cl - ions are attracted to dissolved K + ions. B) the Cl - ions are attracted to the partially negative oxygen atoms of the water molecule. C) the K + ions are attracted to the partially positive hydrogen atoms of the water molecule. D) the K + ions are attracted to the partially negative oxygen atoms of the water molecule. E) the K + ions are attracted to Cl - ions on the KCl crystal. 19) At 10 C, which is more concentrated a saturated solution of sodium nitrate, NaNO3, or a saturated solution of sodium chloride? (See figure shown above ) A) At 10 C a saturated solution of sodium nitrate, NaNO3, is more concentrated than a saturated solution of sodium chloride, NaCl. B) At 10 C a saturated solution of sodium chloride, NaCl, is more concentrated than a saturated solution of sodium nitrate, NaNO3. C) At 25 C a saturated solution of sodium nitrate, NaNO3, is more concentrated than a saturated solution of sodium chloride, NaCl. D) At 20 C a saturated solution of sodium nitrate, NaNO3, is more concentrated than a saturated solution of sodium chloride, NaCl. 20) Which solute graphed above has a solubility in water that does not markedly increase with increasing temperature? A) NaCl B) NaNO3 C) KCl D) LiCl 19) 20) 21) Solubility of gases in water: 21) A) decreases with increasing pressure above solution. B) is independent of pressure above solution. C) increases with increasing pressure above solution. D) Gases are not soluble in water. E) none of the above 22) Which type of compound is likely to dissolve in water? 22) A) all are correct B) a highly polar compound C) a salt D) one with hydrogen bonds 23) A solution in which the rate of crystallization is equal to the rate of dissolution is. 23) A) supersaturated B) dilute C) unsaturated D) saturated 3
4 24) When the combined gas law is rearranged to solve for V2, the following is the correct expression: V2 = A) P1V1T2/P2T1 B) P1V1T1/P2T2 C) P2T2/P1V1T1 D) P1V1/T1 - P2/T2 E) T2T1V1/P2P1 24) 25) Salts incorporating all but one of the following ions are usually soluble in water. Which ion is the exception? A) PO4 B) CH3COO C) K+ D) SO4 25) 26) In water, a substance that ionizes completely in solution is called a 26) A) nonconductor. B) weak electrolyte. C) semiconductor. D) strong electrolyte. E) nonelectrolyte. 27) A solution is prepared by dissolving 2 g of KCl in 100 g of H2O. In this solution, H2O is the 27) A) solvent. B) solid. C) solute. D) solution. E) ionic compound. 28) A tank contains helium gas at 1.50 atm. What is the pressure of the gas in mmhg? 28) A) 7.50 mmhg B) 1.50 mmhg C) 760 mmhg D) 507 mmhg E) mmhg 29) When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is A) dilute. B) unsaturated. C) saturated. D) nonpolar. E) polar. 29) 30) How many equivalents are present in 5.0 moles of Al 3+? 30) A) 1.3 Eq B) 15 Eq C) 3.0 Eq D) 0.67 Eq E) 5.0 Eq 31) A student wishes to prepare 65.0 ml of M HCl from 12.0 M HCl. What volume of the 12.0 M HCl should he/she start with? A) 4.74 ml B) 9.28 ml C) 18.2 ml D) 4.65 ml 31) 4
5 32) If the volume of a gas container at 32.0 C changes from 1.55 L to 755 ml, what will the final temperature be? A) 353 C B) 273 C C) -124 C D) 149 C E) none of the above 33) A solution is made by dissolving 2.68 mole of KF in enough water to give a final volume of 1030 ml. What is the molarity of the solution? A) 2.60 M B) M C) M D) 1.52 M 34) When solutions of KCl and Pb(NO3) 2 are mixed, a precipitate forms. Which of the following is the balanced equation for the double replacement reaction that occurs? A) KCl(aq) + Pb(NO3) 2(aq) KNO3(aq) + PbCl2(s) B) KNO3(aq) + PbCl2(s) KCl(aq) + Pb(NO3) 2(aq) C) KCl(aq) + Pb(NO3) 2(aq) KNO3(aq) + PbCl(s) D) K + (aq) + NO3 - (aq) KNO3(aq) E) 2KCl (aq) + Pb(NO3) 2(aq) 2 KNO3(aq) + PbCl2 (s) 32) 33) 34) 35) Which of the following is not soluble in water? 35) A) iron (III) hydroxide B) potassium sulfide C) ammonium sulfate D) iron (III) nitrate 36) molecules of methane gas will occupy at STP. 36) A) 67.2 L B) 11.2 L C) 44.8 L D) 22.4 L 37) If the volume of a given gas sample doubles, what happens to the temperature of the gas? The amount of gas and the pressure of the gas stay the same. A) increase by a factor of 2 B) decrease by a factor of 2 C) stay exactly the same 38) A gas occupies a volume of 480 ml at 127 C and 140 mm Hg. What mathematical expression will yield the correct volume at 177 C and 400 mm Hg? A) 480 (140/400) (400/450) B) 480 (400/140) (450/400) C) 480 (400/140) (400/450) D) 480 (140/400) (450/400) 37) 38) 39) Which one of the following compounds will NOT be soluble in water? 39) A) MgCl2 B) LiOH C) NaNO3 D) BaSO4 E) K2S 40) Under which of the following conditions would you expect the highest solubility of oxygen gas in water? A) high temperature and low O2 pressure above the solution B) The O2 solubility is independent of temperature and pressure. C) low temperature and high O2 pressure above the solution D) low temperature and low O2 pressure above the solution E) high temperature and high O2 pressure above the solution 40) 5
6 41) In a solution, the solvent 41) A) can be a solid, liquid, or gas. B) is the substance present in the smallest concentration. C) is a liquid. D) is never a solid. E) can be a liquid or gas. 6
7 Answer Key Testname: EXAM 3 PRACTICE TEST 1) E 2) B 3) B 4) E 5) E 6) E 7) A 8) B 9) C 10) E 11) B 12) B 13) C 14) C 15) C 16) E 17) C 18) D 19) A 20) A 21) C 22) A 23) D 24) A 25) A 26) D 27) A 28) E 29) C 30) B 31) A 32) C 33) A 34) E 35) A 36) B 37) A 38) D 39) D 40) C 41) A 7
Chemistry 121 Chapters 7& 8 Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question.
Chemistry 121 Chapters 7& 8 Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A sample of carbon dioxide occupies 22.4 L at STP. Which of the
More informationName: Period: Date: solution
Name: Period: Date: ID: A Solutions Test A Matching Use the choices below to answer the following 5 questions. a. Hydrogen bond d. Electrolyte b. Polar molecule e. Nonelectrolyte c. Nonpolar molecule 1.
More informationWater & Solutions Chapter 17 & 18 Assignment & Problem Set
Water & Solutions Chapter 17 & 18 Assignment & Problem Set Name Warm-Ups (Show your work for credit) Date 1. Date 2. Date 3. Date 4. Date 5. Date 6. Date 7. Date 8. Water & Solutions 2 Vocabulary (know
More informationGas Laws. Bonding. Solutions M= moles solute Mass %= mass solute x 100. Acids and Bases. Thermochemistry q = mc T
Name Period Teacher Practice Test: OTHS Academic Chemistry Spring Semester 2017 The exam will have 100 multiple choice questions (1 point each) Formula sheet (see below) and Periodic table will be provided
More informationName Class Date. In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.
Assessment Chapter Test A Chapter: Solutions In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question. 1. Agitation prevents settling
More informationWarm UP. between carbonate and lithium. following elements have? 3) Name these compounds: 1) Write the neutral compound that forms
Warm UP 1) Write the neutral compound that forms between carbonate and lithium 2) How many valence electrons do the following elements have? a) Chlorine b) Neon c) Potassium 3) Name these compounds: a)
More informationQuick Review. - Chemical equations - Types of chemical reactions - Balancing chemical equations - Stoichiometry - Limiting reactant/reagent
Quick Review - Chemical equations - Types of chemical reactions - Balancing chemical equations - Stoichiometry - Limiting reactant/reagent Water H 2 O Is water an ionic or a covalent compound? Covalent,
More informationPart A Answer all questions in this part.
Part A Directions (1-24): For each statement or question, record on your separate answer sheet the number of the word or expression that, of those given, best completes the statement or answers the question.
More informationUNIT 7: SOLUTIONS STUDY GUIDE REGENTS CHEMISTRY Unit 7 Exam will be on Thursday 2/16
UNIT 7: SOLUTIONS STUDY GUIDE Name REGENTS CHEMISTRY Unit 7 Exam will be on Thursday 2/16 Vocabulary- Match the terms to the correct definitions. 1. colligative properties 2. concentration 3. electrolyte
More informationTest bank for Chemistry An Introduction to General Organic and Biological Chemistry 12th Edition by Timberlake
Test bank for Chemistry An Introduction to General Organic and Biological Chemistry 12th Edition by Timberlake Link download full: http://testbankair.com/download/test-bank-for-chemistry-an-introduction-to-general-organic-and-biological-chemistry-12th-edition-by-timberlak
More informationGeneral Chem Solution.notebook. Solutions. Mar 12 8:19 AM
General Chem Solution.notebook Solutions Mar 12 8:19 AM 1 Solutions 2015 OBJECTIVES: 1. I can distinguish between a heterogeneous and a homogeneous solution. 2. I can list different solute solvent combinations.
More informationOH (ammonium hydroxide) are in 3.47 moles of NH 4. OH? 1 grams. 2 Na(s) + Cl 2. (g) 2 NaCl(s) (32.00 g/mol) according to the reaction C 3
Question #: 1 Posting ID: 423347 Course: CHE 105 2015 SU Instructor: Sarah Edwards How many grams of NH 4 OH (ammonium hydroxide) are in 3.47 moles of NH 4 OH? 1 grams Question #: 2 When 2.61 grams of
More informationExplain freezing-point depression and boiling-point elevation at the molecular level.
Solutions 1 UNIT4: SOLUTIONS All important vocabulary is in Italics and bold. Describe and give examples of various types of solutions. Include: suspension, emulsion, colloid, alloy, solute, solvent, soluble,
More informationChem 1100 Pre-Test 3. Multiple Choice Identify the choice that best completes the statement or answers the question.
Chem 1100 Pre-Test 3 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. An open-tube manometer is used to measure the pressure in a flask. The atmospheric
More informationChemistry I 2nd Semester Exam Study Guide
Chemistry I 2nd Semester Exam Study Guide Study the following topics and be able to apply these concepts to answer related questions to best prepare for the Chemistry exam. You should be able to: 1. Identify
More informationSolutions: Multiple Choice Review PSI AP Chemistry. 1. Which of the following would be FALSE regarding mixtures?
Solutions: Multiple Choice Review PSI AP Chemistry Name Part A: Mixtures, Solubility, and Concentration 1. Which of the following would be FALSE regarding mixtures? (A) Mixtures do not obey the law of
More informationAdvanced Chemistry Final Review
Advanced Chemistry Final Review 1. What are the products of complete combustion of hydrocarbons? Hydrocarbons are compounds made of carbon and oxygen. When they burn (combine with oxygen) they form carbon
More information2nd Semester Exam Review. C. K eq = [N 2][H 2 ]
Name: ate: 1. Which pair of formulas represents the empirical formula and the molecular formula of a compound?. H 2 O, 4 H 6 O 4. HO, 6 H 12 O 6 8. Given the reaction at equilibrium: N 2 (g) + 3H 2 (g)
More informationChem 1100 Pre-Test 3. Multiple Choice Identify the choice that best completes the statement or answers the question.
Chem 1100 Pre-Test 3 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Determine the oxidation number of the underlined element in K 2CO 3. a. 1 b. 2 c.
More informationName: A Particle View of Solutions
Name: A Particle View of Solutions 1 Investigating Homogeneous Mixtures Do Now: Using your glossary, define the following terms: Homogeneous Mixture Solution Solvent Solute Solute Components of a Solution
More informationCP Chapter 15/16 Solutions What Are Solutions?
CP Chapter 15/16 Solutions What Are Solutions? What is a solution? A solution is uniform that may contain solids, liquids, or gases. Known as a mixture Solution = + o Solvent The substance in abundance
More informationSection 6.2A Intermolecular Attractions
Section 6.2A Intermolecular Attractions As we know, molecules are held together by covalent bonds, but there are also attractive forces BETWEEN individual molecules (rather than within). These are called
More informationName Date. 9. Which substance shows the least change in solubility (grams of solute) from 0 C to 100 C?
Solubility Curve Practice Problems Directions: Use the graph to answer the questions below. Assume you will be using 100g of water unless otherwise stated. 1. How many grams of potassium chloride (KCl)
More informationSOLUTIONS. Homogeneous mixture uniformly mixed on the molecular level. Solvent & Solute. we will focus on aqueous solutions
SOLUTIONS Homogeneous mixture uniformly mixed on the molecular level Solvent & Solute we will focus on aqueous solutions SOLUTE-SOLVENT SOLVENT INTERACTIONS Why do solutions form? Processes occur spontaneously
More informationDescribe the formation of an aqueous LiBr solution, when solid LiBr dissolves in water.
Chapter 9 Solutions Practice Problems Section 9.1 Solutions Goal: Identify the solute and solvent in a solution; describe the formation of a solution. Summary: A solution forms when a solute dissolves
More informationCHEMISTRY 110 EXAM 3 NOVEMER 12, 2012 FORM A
CHEMISTRY 110 EXAM 3 NOVEMER 12, 2012 FORM A 1. Consider a balloon filled with 5 L of an ideal gas at 20 C. If the temperature of the balloon is increased by 70 C and the external pressure acting on the
More informationSOLUTIONS. Solutions - page
SOLUTIONS For gases in a liquid, as the temperature goes up the solubility goes. For gases in a liquid, as the pressure goes up the solubility goes. Example: What is the molarity of a solution with 2.0
More informationName Date Class PROPERTIES OF SOLUTIONS
16.1 PROPERTIES OF SOLUTIONS Section Review Objectives Identify the factors that determine the rate at which a solute dissolves Identify the units usually used to express the solubility of a solute Calculate
More informationChapter 15. Solutions
Chapter 15 Solutions Key Terms for this Chapter Make sure you know the meaning of these: Solution Solute Solvent Aqueous solution Solubility Saturated Unsaturated Supersaturated Concentrated Dilute 15-2
More informationName CHEMICAL BONDING REVIEW Date Ms. Zavurov
Name CHEMICAL BONDING REVIEW Date Ms. Zavurov Per 1. As a chemical bond forms between two hydrogen atoms in a system, energy is released and the stability of the system A) decreases B) increases C) remains
More informationSolutions. Chapter 15
Solutions Chapter 15 How Solutions Form Two parts to a solution Solute - the solid part that is dissolved Solvent the part that does the dissolving Water is the universal solvent The dissolving process
More informationAlief ISD Chemistry STAAR Review. Reporting Category 5: Solutions The Importance of Water
Alief ISD Chemistry STAAR Review C. 10.A Describe the unique role of water in chemical and biological systems. Reporting Category 5: Solutions The Importance of Water Factors that contribute to water s
More informationSettling? Filterable? Tyndall Effect? * 1 N N Y nm
Types of Mixtures Notes *What is the Tyndall Effect? When a light shines through a mixture, the beams of light scatter. Homogeneous or Heterogeneous # of visible phases Settling? Filterable? Tyndall Effect?
More informationionic or molecular? Ionic and Molecular Compounds
ionic or molecular? Ionic and Molecular Compounds There are two major classes of compounds: Ionic compounds are formed by the attractions between oppositely charged ions. (metal + nonmetal or complex ion)
More informationRegents review Physical properties of matter
2011-2012 1. Which statement describes a chemical property of oxygen? A) Oxygen has a melting point of 55 K. B) Oxygen can combine with a metal to produce a compound. C) Oxygen gas is slightly soluble
More informationBrass, a solid solution of Zn and Cu, is used to make musical instruments and many other objects.
Brass, a solid solution of Zn and Cu, is used to make musical instruments and many other objects. 14.1 General Properties of Solutions 14.2 Solubility 14.3 Rate of Dissolving Solids 14.4 Concentration
More informationUnit 3: Solubility Equilibrium
Unit 3: Chem 11 Review Preparation for Chem 11 Review Preparation for It is expected that the student understands the concept of: 1. Strong electrolytes, 2. Weak electrolytes and 3. Nonelectrolytes. CHEM
More informationName Solutions and Acids/Bases/Salts
Name Solutions and Acids/Bases/Salts 1. Which compound is insoluble in water? A) calcium bromide B) potassium bromide C) silver bromide D) sodium bromide 2. According to Reference Table F, which of these
More informationTake Home Semester 2 Practice Test for Acc Chem MM 15-16
Take Home Semester 2 Practice Test for Acc Chem MM 15-16 Thermochemistry 1. Determine ΔHrxn. 2SO2(g) + O2(g) 2SO3(g) a) 98.9 b) 98.9 c) 197.8 d) 197.8 ΔHf o SO2(g) 296.8 kj/mol SO3(g) 395.7 kj/mol O2(g)
More information5. Which barium salt is insoluble in water? (1) BaCO3 (3) Ba(ClO4)2 (2) BaCl2 (4) Ba(NO3)2
1. A 3.0 M HCl(aq) solution contains a total of (1) 3.0 grams of HCl per liter of water (2) 3.0 grams of HCl per mole of solution (3) 3.0 moles of HCl per liter of solution (4) 3.0 moles of HCl per mole
More informationSOLUTIONS. Heterogeneous Mixtures. Section 8.1: Solutions and Other Mixtures. Heterogeneous Mixtures (cont d) CHAPTER 8.
Section 8.1: Solutions and Other Mixtures CHAPTER 8 SOLUTIONS Key Questions What is a heterogeneous mixture? What is a homogeneous mixture? Heterogeneous Mixtures The tree of matter branches into two distinct
More informationRepresentative Questions Exam 3
Representative Questions Exam 3 1. The kinetic-molecular theory of gases assumes which of the following? a. gas samples are mostly empty space b. the average kinetic energy is proportional to the Kelvin
More information3. Which of the following compounds is soluble? The solubility rules are listed on page 8.
1. Classify the following reaction. Sb 2 O 3 + 3 Fe 2 Sb + 3 FeO a) Combination reaction b) Decomposition reaction c) Neutralization reaction d) Single-replacement reaction e) Double-replacement reaction
More informationCh. 14/15 Prep-Test. Multiple Choice Identify the choice that best completes the statement or answers the question.
Ch. 14/15 Prep-Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The intermolecular forces between particles in a liquid can involve all of the following
More informationChapter 12 & 13 Test Review. Bond, Ionic Bond
Chapter 12 & 13 Test Review A solid solute dissolved in a solid solvent is an Alloy What is happening in a solution at equilibrium? The Ionic rate of Bond dissolving is equal to the rate of crystallization.
More informationName Solutions and Acids/Bases/Salts
Name Solutions and Acids/Bases/Salts 1. Which compound is insoluble in water? A) calcium bromide B) potassium bromide C) silver bromide D) sodium bromide 2. According to Reference Table F, which of these
More informationThe Water Molecule. Draw the Lewis structure. H O H. Covalent bonding. Bent shape
Water & Solutions 1 The Water Molecule Draw the Lewis structure. H O H Covalent bonding. Bent shape 2 Water What determines whether a molecule is polar? Is water a polar molecule? d- d+ d+ 1. Oxygen is
More informationPhysical Properties of Solutions
Physical Properties of Solutions Physical Properties of Solutions Types of Solutions (13.1) A Molecular View of the Solution Process (13.2) Concentration Units (13.3) Effect of Temperature on Solubility
More informationUnit 3: Solubility Equilibrium
Unit 3: Chem 11 Review Preparation for Chem 11 Review Preparation for It is expected that the student understands the concept of: 1. Strong electrolytes, 2. Weak electrolytes and 3. Nonelectrolytes. CHEM
More informationChapter 6. Types of Chemical Reactions and Solution Stoichiometry
Chapter 6 Types of Chemical Reactions and Solution Stoichiometry Chapter 6 Table of Contents (6.1) (6.2) (6.3) (6.4) (6.5) (6.6) (6.7) (6.8) Water, the common solvent The nature of aqueous solutions: Strong
More informationSolutions CHAPTER OUTLINE
Chapter 8A Solutions 1 CHAPTER OUTLINE Type of Solutions Electrolytes & Nonelectrolytes Equivalents of Electrolytes Solubility & Saturation Soluble & Insoluble Salts Formation of a Solid Precipitation
More informationSpring Final Exam Review
Directions: Complete all of the following questions. Turn this in on the day of your final and you can earn up to 10 bonus points on your final. You must number and answer every questions on a separate
More informationUNIT 8: SOLUTIONS. Essential Question: What kinds of properties affect a chemical s solubility?
UNIT 8: SOLUTIONS Essential Question: What kinds of properties affect a chemical s solubility? SOLUTIONS & THEIR CHARACTERISTICS (5) Most chemical reactions take place IN solutions 1. Homogeneous mixture
More informationH 2 O WHAT PROPERTIES OF WATER MAKE IT ESSENTIAL TO LIFE OF EARTH? Good solvent High Surface tension Low vapor pressure High boiling point
Unit 9: Solutions H 2 O WHAT PROPERTIES OF WATER MAKE IT ESSENTIAL TO LIFE OF EARTH? Good solvent High Surface tension Low vapor pressure High boiling point Water is a polar molecule. It experiences hydrogen
More informationCHEMISTRY 102A Spring 2012 Hour Exam II. 1. My answers for this Chemistry 102 exam should be graded with the answer sheet associated with:
. My answers for this Chemistry 0 exam should be graded with the answer sheet associated with: a) Form A b) Form B c) Form C d) Form D e) Form E. A sample of LSD (D-lysergic acid diethylamide, C 4 H 30
More informationUNIT 12 Solutions. Homework. CRHS Academic Chemistry. Due Date Assignment On-Time (100) Late (70) Warm-Up
Name Period CRHS Academic Chemistry UNIT 12 Solutions Homework Due Date Assignment On-Time (100) Late (70) 12.1 12.2 12.3 12.4 Warm-Up EC Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic
More informationChapter 13 Study Questions
Class Copy - Do Not Write On This Test!!! ID: A Chapter 13 Study Questions True/False Indicate whether the statement is true or false. 1. A solution with a solute concentration greater than the solubility
More informationcp final review part 2
Name: Class: Date: cp final review part 2 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Standard conditions when working with gases are
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Chapter 13 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The process of solute particles being surrounded by solvent particles is known as. A)
More informationReactions in aqueous solutions Precipitation Reactions
Reactions in aqueous solutions Precipitation Reactions Aqueous solutions Chemical reactions that occur in water are responsible for creation of cenotes. When carbon dioxide, CO2, dissolves in water, the
More informationChemistry 110 Practice Exam 3 (Ch 5,6,7[Energy]) closed-book cannot Cell phones are not allowed during the exam
Chemistry 110 Practice Exam 3 (Ch 5,6,7[Energy]) Note: 1. Sit according to the seat number assigned (ask the TA or the instructor). 2. Use a softhead pencil, fill in you name, z-number, department name
More informationThe solvent is the dissolving agent -- i.e., the most abundant component of the solution
SOLUTIONS Definitions A solution is a system in which one or more substances are homogeneously mixed or dissolved in another substance homogeneous mixture -- uniform appearance -- similar properties throughout
More informationStoichiometry. Percent composition Part / whole x 100 = %
Stoichiometry Conversion factors 1 mole = 6.02 x 10 23 atoms (element) 1 mole = 6.02 x 10 23 molecules (covalent compounds) 1 mole = 6.02 x 10 23 formula units (ionic compounds) 1 mole (any gas @ STP)
More informationMixtures. Chapters 12/13: Solutions and Colligative Properties. Types of Solutions. Suspensions. The Tyndall Effect: Colloid
Mixtures Chapters 12/13: Solutions and Colligative Properties Solution - a homogeneous mixture of two or more substances in a single phase Soluble - capable of being dissolved Solutions - 2 Parts Solvent
More informationChem 1075 Chapter 14 Solutions Lecture Outline
Chem 1075 Chapter 14 Solutions Lecture Outline Slide 2 Solutions A solution is a. A solution is composed of a dissolved in a. Solutions exist in all three physical states: Slide 3 Polar Molecules When
More informationChemistry. Approximate Timeline. Students are expected to keep up with class work when absent.
Chemistry Name Hour Chemistry Approximate Timeline Students are expected to keep up with class work when absent. CHAPTER 15 SOLUTIONS Day Plans for the day Assignment(s) for the day 1 Begin Chapter 15
More informationChapter 4: Types of Chemical Reactions and Solution Stoichiometry
Chapter 4: Types of Chemical Reactions and Solution Stoichiometry 4.1 Water, the Common Solvent 4.2 The Nature of Aqueous Solutions: Strong and Weak Electrolytes 4.3 The Composition of Solutions (MOLARITY!)
More informationSolutions Solubility. Chapter 14
Copyright 2004 by Houghton Mifflin Company. Solutions Chapter 14 All rights reserved. 1 Solutions Solutions are homogeneous mixtures Solvent substance present in the largest amount Solute is the dissolved
More informationGeneral Guidelines on Solubility
General Guidelines on Solubility Solubility is a measure of the maximum amount of substance (solute) that will dissolve in a given volume of solvent at a certain temperature. 1. The Dissolving Process
More informationChapter 4. Solutions and Solution Stoichiometry
Chapter 4 Solutions and Solution Stoichiometry Solutions Homogeneous mixtures are called solutions. The component of the solution that changes state is called the solute. The component that keeps its state
More informationNet Ionic Equations. Making Sense of Chemical Reactions
Making Sense of Chemical Reactions Now that you have mastered writing balanced chemical equations it is time to take a deeper look at what is really taking place chemically in each reaction. There are
More informationProperties of Solutions
Properties of Solutions The States of Matter The state a substance is in at a particular temperature and pressure depends on two antagonistic entities: The kinetic energy of the particles The strength
More informationGive 6 different types of solutions, with an example of each.
Warm up (Jan 5) Give 6 different types of solutions, with an example of each. 1 Warm Up (Jan 6) 1. Write the reaction showing the dissolving of the following solids (be sure to note whether they are covalent
More informationMolecule smallest particle of a substance having its chemical properties Atoms connected via covalent bonds Examples:
Ionic equations, calculations involving concentrations, stoichiometry MUDr. Jan Pláteník, PhD Molecule smallest particle of a substance having its chemical properties Atoms connected via covalent bonds
More informationSolutions. Why does a raw egg swell or shrink when placed in different solutions?
Solutions 1 Why does a raw egg swell or shrink when placed in different solutions? Classification of Matter 2 Some Definitions 3 If a compound is soluble it is capable of being dissolved. A solution is
More information8.2 Solubility and Concentration
Fresh lemonade is a solution of water, lemon juice, and sugar. There is a limit to the amount of sugar that can dissolve in a given amount of water. Once that limit is reached, you cannot make the solution
More informationRegents Chemistry Unit 3C Solutions Text Chapter 13 Reference Tables F, G & T. Chemists have Solutions!
Regents Chemistry Unit 3C Solutions Text Chapter 13 Reference Tables F, G & T Chemists have Solutions! SOLUTIONS homogeneous mixture (uniform composition throughout) Solute - substance being dissolved
More informationg of CO 2 gas is at a temperature of 45 o C and a pressure of 125 kpa. What is the volume of the container? 11 L
Name period AP Chemistry Unit 5 answers 1. A fixed quantity of gas at 23⁰C exhibits a pressure of 748 torr and occupies a volume of 10.3 L. Calculate the volume the gas will occupy if the temperature is
More informationAP Chemistry Honors Unit Chemistry #4 2 Unit 3. Types of Chemical Reactions & Solution Stoichiometry
HO AP Chemistry Honors Unit Chemistry #4 2 Unit 3 Chapter 4 Zumdahl & Zumdahl Types of Chemical Reactions & Solution Stoichiometry Students should be able to:! Predict to some extent whether a substance
More information2. The formula for the compound formed from K + and Cr2O7 2- is:
Chemistry 30S Exam Practice Multiple Choice. 1. The total number of ions represented by the formula Mg(H2PO4)2 is: a) 4 b) 3 c) 13 d) 15 2. The formula for the compound formed from K + and Cr2O7 2- is:
More informationProperties of Matter and Solutions HW PSI Chemistry
Properties of Matter and Solutions HW PSI Chemistry Name Section A 1) If matter is uniform throughout and cannot be separated into other substances by physical processes, but can be decomposed into other
More informationName: Regents Review Quiz #1 2016
Name: Regents Review Quiz #1 2016 1. Which two particle diagrams represent mixtures of diatomic elements? A) A and B B) A and C C) B and C D) B and D 2. At STP, which physical property of aluminum always
More informationName: Class: Date: Topics in Chemistry Final Exam Study Guide
Name: Class: _ Date: _ Topics in Chemistry Final Exam Study Guide Multiple Choice Identify the choice that best completes the statement or answers the question. 1. If the force applied to an object increases,
More informationIB Chemistry Solutions Gasses and Energy
Solutions A solution is a homogeneous mixture it looks like one substance. An aqueous solution will be a clear mixture with only one visible phase. Be careful with the definitions of clear and colourless.
More informationChemistry 104 Final Exam Content Evaluation and Preparation for General Chemistry I Material
Chemistry 104 Final Exam Content Evaluation and Preparation for General Chemistry I Material What is 25 mph in mm s 1? Unit conversions What is 1025 K in o F? Which is larger 1 ft 3 or 0.1 m 3? What is
More informationGeneral Chemistry 1 CHM201 Unit 2 Practice Test
General Chemistry 1 CHM201 Unit 2 Practice Test 1. Which statement about the combustion of propane (C 3H 8) is not correct? C 3H 8 5O 2 3CO 2 4H 2O a. For every propane molecule consumed, three molecules
More informationWhat type of solution that contains all of the
What type of solution that contains all of the solute it can hold at a given temperature? Saturated Solution What type of solution that contains less solute than it is able to hold at a given temperature?
More informationCHM1045 Exam 2 Chapters 3, 4, & 10
1. Upon analysis, a compound is found to contain 22.8% sodium, 21.8% boron, and 55.4% oxygen. What is its empirical formula? a. NaBO b. NaB 2 O 5 c. Na 2 B 4 O 7 d. Na 3 BO 4 e. None of the above. 2. The
More informationDO NOT OPEN THE EXAMINATION PAPER UNTIL YOU ARE TOLD BY THE SUPERVISOR TO BEGIN CHEMISTRY 2202 FINAL EXAMINATION. Value: 100% Time: 2 hours
Name: Teacher: DO NOT OPEN THE EXAMINATION PAPER UNTIL YOU ARE TOLD BY THE SUPERVISOR TO BEGIN CHEMISTRY 2202 FINAL EXAMINATION Value: 100% Time: 2 hours General Instructions This examination consists
More informationSolutions- Chapter 12 & 13 Academic Chemistry
Objectives: Solutions- Chapter 12 & 13 Academic Chemistry Describe the unique role of water in chemical and biological systems Develop and use general rules regarding solubility through investigations
More informationSCHOOL YEAR CH- 13 IONS IN AQUEOUS SOLUTIONS AND COLLIGATIVE PROPERTIES SUBJECT: CHEMISTRY GRADE : 11 TEST A
SCHOOL YEAR 2017-18 NAME: CH- 13 IONS IN AQUEOUS SOLUTIONS AND COLLIGATIVE PROPERTIES SUBJECT: CHEMISTRY GRADE : 11 TEST A Choose the best answer from the options that follow each question. 1. A solute
More informationSolubility Rules See also Table 4.1 in text and Appendix G in Lab Manual
Ch 4 Chemical Reactions Ionic Theory of Solutions - Ionic substances produce freely moving ions when dissolved in water, and the ions carry electric current. (S. Arrhenius, 1884) - An electrolyte is a
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Oxidation is the and reduction is the. A) loss of oxygen, gain of electrons B) gain of
More informationChapter 4 Notes Types of Chemical Reactions and Solutions Stoichiometry A Summary
Chapter 4 Notes Types of Chemical Reactions and Solutions Stoichiometry A Summary 4.1 Water, the Common Solvent A. Structure of water 1. Oxygen s electronegativity is high (3.5) and hydrogen s is low (2.1)
More informationExam 3: Mon, Nov. 7, 6:30 7:45 pm
Week 10: Lectures 28 30 Lecture 28: W 10/26 Lecture 29: F 10/28 Lecture 30: M 10/31 (Halloween Demo Show) Reading: BLB Ch 4.1, 4.5, 13.1 13.4 Homework: BLB 4: 3, 37, 72; Supp 4: 1 5; BLB 13: 7, 21, 23;
More information1. Balance the following chemical equations: a. C 8 H 18 + O 2 à CO 2 + H 2 O. b. B 5 H 9 + O 2 à B 2 O 3 + H 2 O. c. S 8 + Cl 2 à S 2 Cl 2
EXAM 2 PRACTICE QUESTIONS NOTE- THIS IS ONLY A SELECTION OF POSSIBLE TYPES OF QUESTIONS: REFER TO THE EXAM 2 REVIEW GUIDELINES FOR THE LIST OF LEARNING TARGETS. There will likely be other questions on
More informationM = Molarity = mol solute L solution. PV = nrt % yield = actual yield x 100 theoretical yield. PM=dRT where d=density, M=molar mass
Solubility Rules: 1. Most nitrate salts are soluble. 2. Most salts of alkali metals and ammonium cations are soluble. 3. Most chloride, bromide and iodide salts are soluble. Exceptions: salts containing
More informationChapter 13. Ions in aqueous Solutions And Colligative Properties
Chapter 13 Ions in aqueous Solutions And Colligative Properties Compounds in Aqueous Solution Dissociation The separation of ions that occurs when an ionic compound dissolves H2O NaCl (s) Na+ (aq) + Cl-
More informationSOLUTIONS. Chapter Test B. A. Matching. Column A. Column B. Name Date Class. 418 Core Teaching Resources
16 SOLUTIONS Chapter Test B A. Matching Match each term in Column B to the correct description in Column A. Write the letter of the correct term on the line. Column A Column B 1. the number of moles of
More informationSPRING 2017 CHEMISTRY FINAL EXAM REVIEW
SPRING 2017 CHEMISTRY FINAL EXAM REVIEW Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. BONDING What is the formula for diphosphorus pentaoxide?
More information