ch. 8 & 18 reactions in aqueous solutions

1. write the net ionic equation for the following reactants; if there's no reaction, then write "no reaction". [15 points]

a. aqueous solution of copper (II) nitrate and solid iron

b. mix aqueous solutions of sodium hydroxide and lead (II) acetate

c. combustion of ethane, C2H6 gas

d. mix aqueous solutions of lithium choride and potassium carbonate

e. mix aqueous solutions of sodium bicarbonate and hydrogen chloride

2. what is the oxidation number of __ [10 points]

a. Cr in Cr2O7 -2 is ___

b. carbon in carbon monoxide is __

c. oxygen in hydrogen peroxide is __

d. Fe in Fe 2O3 is __

e. carbon in glucose, C6H12O6 is ___

3. identify the type(s) of reaction. [10 points]

a. CH4 + O2 → CO2 + H2O is ____________

b. Sn + Cu(NO3)2 → Cu + Sn(NO3)2 is _________

c. H2O2 → O2 + H2O is ________

d. HCl + KOH → KCl + H2O is ________

e. Na2CO3 + HF → H2O + CO2 + NaF is _________

4. identify the atom that was oxidized adn its oxidation number in both the product and reactant side of hte chemical equaion. Identify the atom that was reduced and its oxidation numberr in both the product and reactant side of the chemical equation. if none of the atoms were oxidized or reduced in the reaction, thewn write "no oxidation or reduction". [20 points]

a. CH4 + O2 → CO2 + H2O

b. Sn + Cu(NO3)2 → Cu + Sn(NO3)2

c. H2O2 → O2 + H2O

d. HCl + KOH → KCl + H2O

e. Na2CO3 + HF → H2O + CO2 + NaF