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Which one of the following compounds is insoluble in water?


A) Na2SO4
B) KNO3
C) Ba SO4
D) Li2CO3

E) B) and C)
F) A) and D)

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Which one of the following compounds behaves as an acid when dissolved in water?


A) CH3OCH3
B) CH4
C) H2SO3
D) KOH

E) C) and D)
F) A) and C)

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What is the concentration of an AlBr3 solution if 150.mL of the solution contains 250.mg of Br- ion?


A) 6.95 × 10-3 M
B) 2.08 × 10-2 M
C) 1.67 M
D) 6.23 × 10-3 M

E) A) and C)
F) B) and D)

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By analogy with the oxoacids of sulfur,H2TeO3 would be named


A) hydrotellurous acid.
B) pertelluric acid.
C) telluric acid.
D) tellurous acid.

E) A) and B)
F) A) and C)

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Which one of the following compounds behaves as an acid when dissolved in water?


A) SrO
B) C3H8
C) HCl
D) LiOH

E) A) and D)
F) A) and C)

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Write a balanced net ionic equation for the reaction of AgNO3(aq) with Cu(s) .


A) AgNO3(aq) + Cu(s) → Ag(s) + CuNO3(aq)
B) Ag+(aq) + Cu(s) → Ag(s) + Cu+(aq)
C) 2 AgNO3(aq) + Cu(s) → 2 Ag(s) + CuNO3(aq)
D) 2Ag+(aq) + Cu(s) → 2 Ag(s) + Cu2+(aq)

E) A) and D)
F) B) and C)

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When dissolved in water,of HClO4, NH3,KOH,HI,and CH3OH which are acids?


A) NH3 and KOH
B) HClO4 and HI
C) only HI
D) only KOH

E) B) and D)
F) B) and C)

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Which pair of compounds is soluble in water?


A) Hg2Br2 and Hg2I2
B) CuS and Na2S
C) LiI and Ca(NO3) 2
D) K NO3 and CaCO3

E) C) and D)
F) B) and D)

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How many grams of BaCl2 are formed when 35.00 mL of 0.00237 M Ba(OH) 2 reacts with excess Cl2 gas? 2 Ba(OH) 2(aq) + 2 Cl2(g) → Ba(OCl) 2(aq) + BaCl2(s) + 2 H2O(l)


A) 0.00864 g
B) 0.0173 g
C) 0.0346 g
D) 0.0829 g

E) A) and B)
F) A) and C)

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Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction. Li(s) → Al3+(aq) + e- Cr(s) → Al3+(aq) + 3e-


A) Li(s) with Al(s)
B) Li(s) with Al3+(aq)
C) Li+(aq) with Al3+(aq)
D) Li+(aq) with Al(s)

E) A) and B)
F) A) and D)

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The oxidation number of hydrogen in CaH2 is ________.

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What is the oxidation number change for the iron atom in the following reaction? 2 Fe2O3(s) + 3 C(s) → 4 Fe(s) + 3 CO2(g)


A) -6
B) -3
C) +3
D) +6

E) None of the above
F) A) and B)

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Glucose,C6H1206,can be represented by the molecular model shown below.If 1.00 mol of glucose is submitted to combustion analysis,how many moles of CO2 and how many moles of H2O would be formed? Glucose,C<sub>6</sub>H<sub>1</sub><sub>2</sub>0<sub>6</sub>,can be represented by the molecular model shown below.If 1.00 mol of glucose is submitted to combustion analysis,how many moles of CO<sub>2</sub> and how many moles of H<sub>2</sub>O would be formed?   A) 1.00 mol CO<sub>2</sub> and 2.00 mol H<sub>2</sub>O B) 6.00 mol CO<sub>2</sub> and 6.00 mol H<sub>2</sub>O C) 6.00 mol CO<sub>2</sub> and 12.0 mol H<sub>2</sub>O D) 12.0 mol CO<sub>2</sub> and 12.0 mol H<sub>2</sub>O


A) 1.00 mol CO2 and 2.00 mol H2O
B) 6.00 mol CO2 and 6.00 mol H2O
C) 6.00 mol CO2 and 12.0 mol H2O
D) 12.0 mol CO2 and 12.0 mol H2O

E) A) and C)
F) A) and B)

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Three different substances,A2X,A2Y,and A2Z,were dissolved in water with the following results.(Water molecules are omitted for clarity. ) Which of the substances is the strongest electrolyte,and which is the weakest? Three different substances,A<sub>2</sub>X,A<sub>2</sub>Y,and A<sub>2</sub>Z,were dissolved in water with the following results.(Water molecules are omitted for clarity. ) Which of the substances is the strongest electrolyte,and which is the weakest?   A) A<sub>2</sub>X is the strongest electrolyte and A<sub>2</sub>Y is the weakest electrolyte. B) A<sub>2</sub>Y is the strongest electrolyte and A<sub>2</sub>X is the weakest electrolyte. C) A<sub>2</sub>Y is the strongest electrolyte and A<sub>2</sub>Z is the weakest electrolyte. D) A<sub>2</sub>Z is the strongest electrolyte and A<sub>2</sub>Y is the weakest electrolyte.


A) A2X is the strongest electrolyte and A2Y is the weakest electrolyte.
B) A2Y is the strongest electrolyte and A2X is the weakest electrolyte.
C) A2Y is the strongest electrolyte and A2Z is the weakest electrolyte.
D) A2Z is the strongest electrolyte and A2Y is the weakest electrolyte.

E) All of the above
F) B) and D)

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An aqueous solution of H Cl is named


A) hydrochloric acid.
B) hydrochlorous acid.
C) chloric acid.
D) chlorous acid.

E) B) and C)
F) None of the above

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How many milliliters of a 6.0 M HNO3 solution are needed to make 0.25 L of a 3.5 M HNO3 solution?


A) 686 mL
B) 428 mL
C) 146 mL
D) 119 mL

E) None of the above
F) C) and D)

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What is the concentration of HCl in the final solution when 65 mL of a 6.0 M HCl solution is diluted with pure water to a total volume of 0.15 L?


A) 1.4 × 10-2 M
B) 2.6 M
C) 14 M
D) 2.6 × 103 M

E) B) and D)
F) B) and C)

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What is the oxidation number of the sulfur atom in S8?


A) -2
B) 0
C) +6
D) +8

E) A) and D)
F) A) and B)

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What volume of a 0.540 M NaOH solution contains 13.5 g of NaOH?


A) 0.182 L
B) 0.625 L
C) 1.60 L
D) 5.49 L

E) A) and C)
F) All of the above

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What are the two products of the reaction H3PO4(aq)+ 3 KOH(aq)→ ?

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