Problem 1
Which is a composition reaction and which is not? a) \(\mathrm{NaCl}+\mathrm{AgNO}_{3} \rightarrow \mathrm{AgCl}+\mathrm{NaNO}_{3}\) b) \(\mathrm{CaO}+\mathrm{CO}_{2} \rightarrow \mathrm{CaCO}_{3}\)
Problem 1
From the statement "nitrogen and hydrogen react to produce ammonia," identify the reactants and the products.
Problem 1
What is the Arrhenius definition of an acid?
Problem 1
Is the reaction $$ 2 \mathrm{~K}(\mathrm{~s})+\mathrm{Br}_{2}(\ell) \rightarrow 2 \mathrm{KBr}(\mathrm{s}) $$ an oxidation-reduction reaction? Explain your answer.
Problem 1
Write a chemical equation that represents NaBr(s) dissociating in water.
Problem 2
Which is a composition reaction and which is not? a) \(\mathrm{H}_{2}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{HCl}\) b) \(2 \mathrm{HBr}+\mathrm{Cl}_{2} \rightarrow 2 \mathrm{HCl}+\mathrm{Br}_{2}\)
Problem 2
What is the Arrhenius definition of a base?
Problem 2
Is the reaction $$ \mathrm{NaCl}(\mathrm{aq})+\mathrm{AgNO}_{3}(\mathrm{aq}) \rightarrow \mathrm{NaNO}_{3}(\mathrm{aq})+\mathrm{AgCl}(\mathrm{s}) $$ an oxidation-reduction reaction? Explain your answer.
Problem 2
From the statement "sodium metal reacts with water to produce sodium hydroxide and hydrogen," identify the reactants and the products.
Problem 2
Write a chemical equation that represents \(\mathrm{SrCl}_{2}(\mathrm{~s})\) dissociating in water.
