Exam 9: Introduction to Solutions and Aqueous Reactions

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Balance the chemical equation given below,and calculate the volume of nitrogen monoxide gas produced when 8.00 g of ammonia is reacted with 8.00 g of oxygen at 25°C? The density of nitrogen monoxide at 25°C is 1.23 g/L. ________ NH3(g)+ ________ O2(g)→________ NO(g)+ ________ H2O(l)

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Which of the following is a strong electrolyte in solution?

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How many moles of How many moles of   are present in 0.550 L of a 0.550 M solution of Co   ? are present in 0.550 L of a 0.550 M solution of Co How many moles of   are present in 0.550 L of a 0.550 M solution of Co   ? ?

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Determine the oxidation state of Mn in KMnO4.

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Match the following.
NaCl(aq)+ AgNO3(aq)→ AgCl(s)+ NaNO3(aq)
precipitation
HCl(aq)+ (NH4)2S(aq)→ H2S(g)+ 2NH4Cl(aq)
gas evolution
H2SO4(aq)+ 2 LiOH(aq)→ 2 H2O(l)+ Li2SO4(aq)
oxidation reduction
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Responses:
NaCl(aq)+ AgNO3(aq)→ AgCl(s)+ NaNO3(aq)
precipitation
HCl(aq)+ (NH4)2S(aq)→ H2S(g)+ 2NH4Cl(aq)
gas evolution
H2SO4(aq)+ 2 LiOH(aq)→ 2 H2O(l)+ Li2SO4(aq)
oxidation reduction
Mg(s)+ Cu(NO3)2(aq)→ Mg(NO3)2(aq)+ Cu(s)
acid-base
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All of the following compounds are soluble EXCEPT

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94.20 mL of 0.800 M potassium hydroxide reacts with 125.0 mL of a solution containing oxalic acid,which is a diprotic species.What is the concentration of the acid solution?

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Pure acetic acid ( Pure acetic acid (       )is a liquid and is known as glacial acetic acid.Calculate the molarity of a solution prepared by dissolving 15.00 mL of glacial acetic acid at 25°C in sufficient water to give 500.0 mL of solution.The density of glacial acetic acid at 25°C is 1.05 g/mL. Pure acetic acid (       )is a liquid and is known as glacial acetic acid.Calculate the molarity of a solution prepared by dissolving 15.00 mL of glacial acetic acid at 25°C in sufficient water to give 500.0 mL of solution.The density of glacial acetic acid at 25°C is 1.05 g/mL. Pure acetic acid (       )is a liquid and is known as glacial acetic acid.Calculate the molarity of a solution prepared by dissolving 15.00 mL of glacial acetic acid at 25°C in sufficient water to give 500.0 mL of solution.The density of glacial acetic acid at 25°C is 1.05 g/mL. )is a liquid and is known as glacial acetic acid.Calculate the molarity of a solution prepared by dissolving 15.00 mL of glacial acetic acid at 25°C in sufficient water to give 500.0 mL of solution.The density of glacial acetic acid at 25°C is 1.05 g/mL.

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Determine the molarity of a solution formed by dissolving 468 mg of MgI2 in enough water to yield 50.0 mL of solution.

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Describe the difference between complete ionic and net ionic equations.

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How many liters of a 0.0550 M Li F solution contain 0.163 moles of Li F?

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How would the concentration change if a 1.0 L flask of 1.0 M NaCl were left uncapped on a laboratory bench for several days.Why?

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Which of the following is a precipitation reaction?

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Which of the following is a gas-evolution reaction?

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Determine the oxidation state of P in PO33-.

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The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH solution.What is the concentration of the H2SO4 solution (in M)?

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How many aluminum ions are present in 65.5 mL of 0.210 M Al I3 solution?

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Which of the following is NOT a strong electrolyte?

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Based on the balanced chemical equation shown below,determine the molarity of a solution containing Fe2+(aq),if 40.00 mL of the Fe2+(aq)solution is required to completely react with 30.00 mL of a 0.125 M potassium bromate,KBrO3(aq),solution.The chemical equation for the reaction is 6 Fe2+(aq)+ BrO3-(aq)+ 6 H+(aq)→ 6 Fe3+(aq)+ Br-(aq)+ 3 H2O(l).

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Identify the oxidation state of Ca in Ca(s). Ca(s)+ 2H F(aq)→ Ca F2(aq)+ H2(g)

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