Question 31 (35) 1. How many electrons can fit in a 5d sublevel? A) 2 B) 6 C) 10 D) 14 E) 50 F) 0, there is no 5d sublevel
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1 Unit 4 review
2 Question How many electrons can fit in a 5d sublevel? A) 2 B) 6 C) 10 D) 14 E) 50 F) 0, there is no 5d sublevel
3 Question How many electrons can fit in a 5d sublevel? A) 2 B) 6 C) 10 D) 14 E) 50 F) 0, there is no 5d sublevel
4 Question Which of the following has the highest ionization energy? A) Na B) Mg C) K D) Ca E) none of the above
5 Question Which of the following has the highest ionization energy? A) Na B) Mg C) K D) Ca E) none of the above
6 Question How many sig figs in ? A) 2 B) 3 C) 4 D) 5 E) 6 F) 7
7 Question How many sig figs in ? A) 2 B) 3 C) 4 D) 5 E) 6 F) 7
8 Question Which of the following is not a compound? A) water B) carbon dioxide C) Ca(NO ) 3 2 D) sugar E) salt F) air
9 Question Which of the following is not a compound? A) water B) carbon dioxide C) Ca(NO ) 3 2 D) sugar E) salt F) air
10 Question m m =? (do not use a calculator) A) 20 m B) 22 m C) 22.3 m D) m E) m
11 Question m m =? (do not use a calculator) A) 20 m B) 22 m C) 22.3 m D) m E) m
12 6. How many protons are in the particle at right? S 2- A) 14 B) 15 C) 16 D) 17 E) 18 F) None of the above
13 6. How many protons are in the particle at right? S 2- A) 14 B) 15 C) 16 D) 17 E) 18 F) None of the above
14 7. Two randomly selected 62 Co atoms will contain the same number of neutrons. A) always B) sometimes C) never
15 7. Two randomly selected 62 Co atoms will contain the same number of neutrons. A) always B) sometimes C) never
16 8. Delayed emission = A) Phosphorescence B) Chemiluminescence C) Fluorescence D) Emission Spectrum E) Scattering F) None of the above
17 8. Delayed emission = A) Phosphorescence B) Chemiluminescence C) Fluorescence D) Emission Spectrum E) Scattering F) None of the above
18 Question 3 9. What is the correct name for P 2 O 3? A) phosphorus oxide B) phosphorus(iii) oxide C) phosphorus trioxide D) diphosphorus trioxide E) diphosphate ion F) phosphorus oxygen
19 Question 3 9. What is the correct name for P 2 O 3? A) phosphorus oxide B) phosphorus(iii) oxide C) phosphorus trioxide D) diphosphorus trioxide E) diphosphate ion F) phosphorus oxygen
20 Question What is the correct name for Fe 2 O 3? A) iron oxide B) diiron trioxide C) iron(i) oxide D) iron(ii) oxide E) iron(iii) oxide F) iron(vi) oxide
21 Question What is the correct name for Fe 2 O 3? A) iron oxide B) diiron trioxide C) iron(i) oxide D) iron(ii) oxide E) iron(iii) oxide F) iron(vi) oxide
22 Question What is the correct name for HBr(aq)? A) bromic acid B) hydrobromic acid C) hypobromous acid D) hypobromic acid E) hydrobromous acid F) perbromous acid
23 Question What is the correct name for HBr(aq)? A) bromic acid B) hydrobromic acid C) hypobromous acid D) hypobromic acid E) hydrobromous acid F) perbromous acid
24 Question What is the correct name for HBrO(aq)? A) bromic acid B) hydrobromic acid C) hypobromous acid D) hypobromic acid E) hydrobromous acid F) perbromous acid
25 Question What is the correct name for HBrO(aq)? A) bromic acid B) hydrobromic acid C) hypobromous acid D) hypobromic acid E) hydrobromous acid F) perbromous acid
26 Question What s the correct name for Sn(ClO 4 ) 2? A) tin chlorate B) tin perchlorate C) tin(ii) chlorate D) tin(ii) perchlorate E) tin(iv) chlorate F) tin(iv) perchlorate
27 Question What s the correct name for Sn(ClO 4 ) 2? A) tin chlorate B) tin perchlorate C) tin(ii) chlorate D) tin(ii) perchlorate E) tin(iv) chlorate F) tin(iv) perchlorate
28 Question What is the correct name for SO 2-? 3 A) sulfur trioxide B) sulfur trioxide ion C) hyposulfite ion D) sulfite ion E) sulfate ion F) persulfate ion
29 Question What is the correct name for SO 2-? 3 A) sulfur trioxide B) sulfur trioxide ion C) hyposulfite ion D) sulfite ion E) sulfate ion F) persulfate ion
30 Question How many valence electrons does an SO molecule have? 3 A) 22 B) 24 C) 26 D) 28 E) 30 F) 32
31 Question How many valence electrons does an SO molecule have? 3 A) 22 B) 24 C) 26 D) 28 E) 30 F) 32
32 Question How many valence electrons does an SO 2- ion have? 3 A) 22 B) 24 C) 26 D) 28 E) 30 F) 32
33 Question How many valence electrons does an SO 2- ion have? 3 A) 22 B) 24 C) 26 D) 28 E) 30 F) 32
34 Question What shape is an AX molecule? 4 A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
35 Question What shape is an AX molecule? 4 A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
36 Question What shape is an AX E molecule? 4 2 A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
37 Question What shape is an AX E molecule? 4 2 A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
38 Question What is the AXE format for a Trigonal bipyramidal molecule? A) AX 4 B) AX 4 E C) AX 5 D) AX 5 E E) AX 6 F) AX 6 E
39 Question What is the AXE format for a Trigonal bipyramidal molecule? A) AX 4 B) AX 4 E C) AX 5 D) AX 5 E E) AX 6 F) AX 6 E
40 Question What type of hybridization does a square planar molecule have? A) sp B) sp 2 C) sp 3 D) sp 4 E) sp 3 d F) sp 3 d 2
41 Question What type of hybridization does a square planar molecule have? A) sp B) sp 2 C) sp 3 D) sp 4 E) sp 3 d F) sp 3 d 2
42 Question What bond angles does a trigonal pyramidal molecule have? A) <90* B) 90* C) <109.5* D) 109.5* E) <120* F) 120*
43 Question What bond angles does a trigonal pyramidal molecule have? A) <90* B) 90* C) <109.5* D) 109.5* E) <120* F) 120*
44 Question What shape is the instructor holding up right now? A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
45 Question What shape is the instructor holding up right now? A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
46 Question What shape is represented below? A) octahedral B) trigonal bipyramidal C) square pyramidal D) square planar E) see-saw F) none of the above
47 Question What shape is represented below? A) octahedral B) trigonal bipyramidal C) square pyramidal D) square planar E) see-saw F) none of the above
48 Question The Lewis structure for SeO 3 is shown below. What shape would it have? A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
49 Question The Lewis structure for SeO 3 is shown below. What shape would it have? A) trigonal planar B) trigonal pyramidal C) tetrahedral D) T-shape E) see-saw F) none of the above
50 Question The CF 4 molecule has bonds and the molecule is (C = 2.5 F = 4.0) A) polar, polar B) polar, nonpolar C) no polar, nonpolar D) no polar, polar E) polar, maybe polar... it depends on the placement of the surrounding atoms. F) no polar, maybe polar... it depends on the placement of the surrounding atoms.
51 Question The CF 4 molecule has bonds and the molecule is (C = 2.5 F = 4.0) A) polar, polar B) polar, nonpolar C) no polar, nonpolar D) no polar, polar E) polar, maybe polar... it depends on the placement of the surrounding atoms. F) no polar, maybe polar... it depends on the placement of the surrounding atoms.
52 Question The NH 3 molecule has bonds and the molecule is (N = 3.0 H = 2.1) A) polar, polar B) polar, nonpolar C) no polar, nonpolar D) no polar, polar E) polar, maybe polar... it depends on the placement of the surrounding atoms. F) no polar, maybe polar... it depends on the placement of the surrounding atoms.
53 Question The NH 3 molecule has bonds and the molecule is (N = 3.0 H = 2.1) A) polar, polar B) polar, nonpolar C) no polar, nonpolar D) no polar, polar E) polar, maybe polar... it depends on the placement of the surrounding atoms. F) no polar, maybe polar... it depends on the placement of the surrounding atoms.
54 Question Predict the products: Ca(NO 3 ) 2 + Al? A) CaAl + NO 3 B) AlCa + NO 3 C) Ca + NO 3 Al D) Ca + (NO 3 ) 3 Al E) Ca + AlNO 3 F) Ca + Al(NO 3 ) 3
55 Question Predict the products: Ca(NO 3 ) 2 + Al? A) CaAl + NO 3 B) AlCa + NO 3 C) Ca + NO 3 Al D) Ca + (NO 3 ) 3 Al E) Ca + AlNO 3 F) Ca + Al(NO 3 ) 3
56 Question Predict the products: C 2 H 4 + O 2? A) C 2 O 2 + H 4 B) C 2 O 2 + H 2 C) CO 2 + H 2 D) C + H 2 O E) CO 2 + H 2 O F) C 2 H 4 O 2
57 Question Predict the products: C 2 H 4 + O 2? A) C 2 O 2 + H 4 B) C 2 O 2 + H 2 C) CO 2 + H 2 D) C + H 2 O E) CO 2 + H 2 O F) C 2 H 4 O 2
58 Question Predict the products: Ca + N 2? A) CaN 2 B) CaN C) Ca 3 N D) Ca 3 N 2 E) Ca 2 N 3 F) CaN 3
59 Question Predict the products: Ca + N 2? A) CaN 2 B) CaN C) Ca 3 N D) Ca 3 N 2 E) Ca 2 N 3 F) CaN 3
60 30. When AlBr 3 solution is mixed with Question 23 Pb(C 2 H 3 O 2 ) 2 solution, which ions if any react? 1) 2) 3) 4) A) bromide and lead B) aluminum and acetate C) bromide and acetate D) aluminum and lead E) all four F) none of the ions react SOLUBLE Group I 1+, NH 4 1+, NO 3 1-, C 2 H 3 O 2 1- Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
61 30. When AlBr 3 solution is mixed with Question 23 Pb(C 2 H 3 O 2 ) 2 solution, which ions if any react? 1) 2) 3) 4) A) bromide and lead B) aluminum and acetate C) bromide and acetate D) aluminum and lead E) all four F) none of the ions react SOLUBLE Group I 1+, NH 4 1+, NO 3 1-, C 2 H 3 O 2 1- Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
62 Question When AlBr 3 solution is mixed with Pb(C 2 H 3 O 2 ) 2 solution, what would the product be? A) BrPb B) Br 2 Pb C) Br 3 Pb D) PbBr E) PbBr 2 F) PbBr 3
63 Question When AlBr 3 solution is mixed with Pb(C 2 H 3 O 2 ) 2 solution, what would the product be? A) BrPb B) Br 2 Pb C) Br 3 Pb D) PbBr E) PbBr 2 F) PbBr 3
64 Question When AlBr 3 solution is mixed with Pb(C 2 H 3 O 2 ) 2 solution, what would the product be? A) PbBr 2 (s) B) PbBr 2 (l) C) PbBr 2 (g) D) PbBr 2 (aq) E) PbBr 2 (i) F) PbBr 2 (p)
65 Question When AlBr 3 solution is mixed with Pb(C 2 H 3 O 2 ) 2 solution, what would the product be? A) PbBr 2 (s) B) PbBr 2 (l) C) PbBr 2 (g) D) PbBr 2 (aq) E) PbBr 2 (i) F) PbBr 2 (p)
66 Question When HBr solution is mixed with Ca(NO 3 ) 2 solution, which ions if any react? A) bromide and calcium B) bromide and nitrate C) calcium and hydrogen D) hydrogen and nitrate E) all four F) none of the ions react 1) 2) 3) 4) SOLUBLE Group I 1+, NH 1+ 4, NO 1-3, C 2 H 3 O 1-2 Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
67 Question When HBr solution is mixed with Ca(NO 3 ) 2 solution, which ions if any react? A) bromide and calcium B) bromide and nitrate C) calcium and hydrogen D) hydrogen and nitrate E) all four F) none of the ions react 1) 2) 3) 4) SOLUBLE Group I 1+, NH 1+ 4, NO 1-3, C 2 H 3 O 1-2 Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
68 Question When HI solution is mixed with K 2 CrO 4 solution, which ions if any react? A) hydrogen and potassium B) potassium and iodide C) hydrogen and chromate D) chromate and iodide E) all four F) none of the ions react 1) 2) 3) 4) SOLUBLE Group I 1+, NH 1+ 4, NO 1-3, C 2 H 3 O 1-2 Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
69 Question When HI solution is mixed with K 2 CrO 4 solution, which ions if any react? A) hydrogen and potassium B) potassium and iodide C) hydrogen and chromate D) chromate and iodide E) all four F) none of the ions react 1) 2) 3) 4) SOLUBLE Group I 1+, NH 1+ 4, NO 1-3, C 2 H 3 O 1-2 Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
70 Question When HI solution is mixed with K 2 CrO 4 solution, what is the product? A) HCrO B) HCrO 4 C) H 2 CrO 4 D) CrOH E) CrO 4 H F) CrO 4 H 2
71 Question When HI solution is mixed with K 2 CrO 4 solution, what is the product? A) HCrO B) HCrO 4 C) H 2 CrO 4 D) CrOH E) CrO 4 H F) CrO 4 H 2
72 Question When HI solution is mixed with K 2 CrO 4 solution, what is the product? A) H 2 CrO 4 (s) B) H 2 CrO 4 (l) C) H 2 CrO 4 (g) D) H 2 CrO 4 (aq) E) H 2 CrO 4 (s & aq) F) H 2 CrO 4 (l & g)
73 Question When HI solution is mixed with K 2 CrO 4 solution, what is the product? A) H 2 CrO 4 (s) B) H 2 CrO 4 (l) C) H 2 CrO 4 (g) D) H 2 CrO 4 (aq) E) H 2 CrO 4 (s & aq) F) H 2 CrO 4 (l & g)
74 37. When (NH 4 ) 2 SO 4 solution is mixed with NaOH solution, which ions if any react? A) ammonium and sodium B) ammonium and hydroxide C) sodium and sulfate D) sulfate and hydroxide E) all four F) none of the ions react Question 25 1) 2) 3) 4) SOLUBLE Group I 1+, NH 1+ 4, NO 1-3, C 2 H 3 O 1-2 Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
75 37. When (NH 4 ) 2 SO 4 solution is mixed with NaOH solution, which ions if any react? A) ammonium and sodium B) ammonium and hydroxide C) sodium and sulfate D) sulfate and hydroxide E) all four F) none of the ions react Question 25 1) 2) 3) 4) SOLUBLE Group I 1+, NH 1+ 4, NO 1-3, C 2 H 3 O 1-2 Cl 1-, Br 1-, I 1- SO 4 2- Group I 1+, NH 4 1+ except except except except INSOLUBLE (no exceptions) Pb 2+, Ag 1+, Hg 2 2+ Pb 2+, Hg 2 2+ Ca 2+, Sr 2+, Ba 2+ O 2-, S 2-, OH 1-, CO 3 2-, CrO 4 2-, PO 4 3- Strong acids (weak acids are the ones that are not on this list) HCl HBr HI HNO 3 HClO 4 H 2 SO 4 Compounds that decompose H 2 CO 3 H 2 SO 3 NH 4 OH
76 Question When (NH 4 ) 2 SO 4 solution is mixed with NaOH solution, what are the final products? A) NH (OH) 4 2 B) (NH ) OH 4 2 C) NH OH 4 D) NH + OH 4 E) NH + H O 3 2 F) NH + H O 2 3
77 Question When (NH 4 ) 2 SO 4 solution is mixed with NaOH solution, what are the final products? A) NH (OH) 4 2 B) (NH ) OH 4 2 C) NH OH 4 D) NH + OH 4 E) NH + H O 3 2 F) NH + H O 2 3
78 Question When (NH 4 ) 2 SO 4 solution is mixed with NaOH solution, what are the final products? A) NH (l) + H O(l) 3 2 B) NH (aq) + H O(l) 3 2 C) NH (g) + H O(l) 3 2 D) NH (s) + H O(l) 3 2 E) NH (aq) + H O(aq) 3 2 F) NH (l) + H O(aq) 3 2
79 Question When (NH 4 ) 2 SO 4 solution is mixed with NaOH solution, what are the final products? A) NH (l) + H O(l) 3 2 B) NH (aq) + H O(l) 3 2 C) NH (g) + H O(l) 3 2 D) NH (s) + H O(l) 3 2 E) NH (aq) + H O(aq) 3 2 F) NH (l) + H O(aq) 3 2
80 Question Which of the following will produce no reaction (NR)? A) Al + ZnBr 2 B) AgNO + H 3 2 C) Ni + FeI 3 D) CaI 2 + Br 2 E) KI + Br 2 F) F 2 + ZnCl 2
81 Question Which of the following will produce no reaction (NR)? A) Al + ZnBr 2 B) AgNO + H 3 2 C) Ni + FeI 3 D) CaI 2 + Br 2 E) KI + Br 2 F) F 2 + ZnCl 2
82 Question Which of the following is the correct mnemonic device? A) Br I N K Al H O F B) Br I N C Li H O F C) B Ri N Cl Ho F D) Br I N Cl Ho F E) Br I N Cl H O F F) Br In Cl H O F
83 Question Which of the following is the correct mnemonic device? A) Br I N K Al H O F B) Br I N C Li H O F C) B Ri N Cl Ho F D) Br I N Cl Ho F E) Br I N Cl H O F F) Br In Cl H O F
84 Question Which of the following is true about a mole of carbon? A) it weighs about 12 amu B) it weighs x amu C) it weighs x g D) it would be way bigger than this room E) it would contain x molecules F) none of the above
85 Question Which of the following is true about a mole of carbon? A) it weighs about 12 amu B) it weighs x amu C) it weighs x g D) it would be way bigger than this room E) it would contain x molecules F) none of the above
86 Question Which of the following is true about a mole of water? A) it would contain 18 molecules B) it weighs x amu C) it weighs x g D) it is way too small to see with the naked eye E) it weighs about 18 g F) none of the above
87 Question Which of the following is true about a mole of water? A) it would contain 18 molecules B) it weighs x amu C) it weighs x g D) it is way too small to see with the naked eye E) it weighs about 18 g F) none of the above
88 Question Which of the following is true about a molecule of CO? 2 A) it would contain x atoms B) it weighs x amu C) it weighs about 44 g D) it weighs about 44 amu E) it is made up of 1 carbon molecule and two oxygen molecules F) none of the above
89 Question Which of the following is true about a molecule of CO? 2 A) it would contain x atoms B) it weighs x amu C) it weighs about 44 g D) it weighs about 44 amu E) it is made up of 1 carbon molecule and two oxygen molecules F) none of the above
90 Question A compound has a molecular formula of C 8 H 12. What is its empirical formula? A) CH 2 B) CH 4 C) C 2 H 3 D) C 4 H 6 E) C 4 H 8 F) C 8 H 12
91 Question A compound has a molecular formula of C 8 H 12. What is its empirical formula? A) CH 2 B) CH 4 C) C 2 H 3 D) C 4 H 6 E) C 4 H 8 F) C 8 H 12
92 Question A compound has an empirical formula of CH O. Its molecular weight is What is its molecular formula? A) CH O 2 B) C 2 H 4 O 2 C) C 4 H 4 O 4 D) C 4 H 2 O E) C 4 H 8 O 4 F) C 6 H 12 O 6
93 Question A compound has an empirical formula of CH O. Its molecular weight is What is its molecular formula? A) CH O 2 B) C 2 H 4 O 2 C) C 4 H 4 O 4 D) C 4 H 2 O E) C 4 H 8 O 4 F) C 6 H 12 O 6
94 Question Al + 3 O 2 2 Al 2 O 3 How many moles of aluminum will react With 6 moles of oxygen? A) 4 B) 5 C) 6 D) 7 E) 8 F) 9
95 Question Al + 3 O 2 2 Al 2 O 3 How many moles of aluminum will react With 6 moles of oxygen? A) 4 B) 5 C) 6 D) 7 E) 8 F) 9
96 Question Al + 3 O 2 2 Al 2 O 3 How many moles of oxygen will react with 54 g of aluminum A) 1 B) 1.5 C) 3 D) 4.5 E) 6 F) 9
97 Question Al + 3 O 2 2 Al 2 O 3 How many moles of oxygen will react with 54 g of aluminum A) 1 B) 1.5 C) 3 D) 4.5 E) 6 F) 9
98 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of Al 2 O 3 are produced? A) 2 B) 5 C) 10 D) 15 E) 18 F) 20
99 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of Al 2 O 3 are produced? A) 2 B) 5 C) 10 D) 15 E) 18 F) 20
100 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of Al react? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
101 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of Al react? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
102 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of Al are left over? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
103 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of Al are left over? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
104 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of O 2 react? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
105 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of O 2 react? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
106 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of O 2 are left over? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
107 Question Al + 3 O 2 2 Al 2 O 3 When 20 moles of Al and 18 moles of O 2 are allowed to react, how many moles of O 2 are left over? A) 0 B) 3 C) 5 D) 15 E) 18 F) 20
108 54. Empty TT (test tube) 20.0 g TT & hydrate before any heating TT & contents after 1 st heating TT & contents after 2 nd heating TT & contents after 3 rd heating How much water was driven off? 27.0 g 25.0 g 24.0 g 24.0 g Question 30 A) 1.0 g B) 2.0 g C) 3.0 g D) 4.0 g E) 5.0 g F) 6.0 g
109 54. Empty TT (test tube) 20.0 g TT & hydrate before any heating TT & contents after 1 st heating TT & contents after 2 nd heating TT & contents after 3 rd heating How much water was driven off? 27.0 g 25.0 g 24.0 g 24.0 g Question 30 A) 1.0 g B) 2.0 g C) 3.0 g D) 4.0 g E) 5.0 g F) 6.0 g
110 55. Empty TT (test tube) 20.0 g TT & hydrate before any heating TT & contents after 1 st heating TT & contents after 2 nd heating TT & contents after 3 rd heating 27.0 g 25.0 g 24.0 g 24.0 g How much anhydrous compound was left? Question 30 A) 1.0 g B) 2.0 g C) 3.0 g D) E) 5.0 g F) 6.0 g
111 55. Empty TT (test tube) 20.0 g TT & hydrate before any heating TT & contents after 1 st heating TT & contents after 2 nd heating TT & contents after 3 rd heating 27.0 g 25.0 g 24.0 g 24.0 g How much anhydrous compound was left? Question 30 A) 1.0 g B) 2.0 g C) 3.0 g D) 4.0 g E) 5.0 g F) 6.0 g
112 56.When the following equation is balanced using lowest whole numbers Question 30 K + N 2 K 3 N What will be the coefficient on the K? A) 1 B) 3 C) 5 D) 6 E) 12 F) None of the above
113 56.When the following equation is balanced using lowest whole numbers Question 30 K + N 2 K 3 N What will be the coefficient on the K? A) 1 B) 3 C) 5 D) 6 E) 12 F) None of the above
114 57. When the following equation is balanced using lowest whole numbers Question 30 C 3 H 8 + O 2 CO 2 + H 2 O What will be the coefficient on the O 2? A) 1 B) 3 C) 5 D) 6 E) 12 F) None of the above
115 57. When the following equation is balanced using lowest whole numbers Question 30 C 3 H 8 + O 2 CO 2 + H 2 O What will be the coefficient on the O 2? A) 1 B) 3 C) 5 D) 6 E) 12 F) None of the above
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