would this be a redox reaction?

when 24.0g of carbon and 10.0g of hydrogen are placed in a bomb calorimeter and reacted to according to the equation 3C (g) + 4H2(g)  = C?H?.(propane) (g) + 103.8kJ, the maxium amount of heat liberated by this reaction is 

Identify the SOA and SRA 

A solution of iron (ii) chloride is mixed with an acidified sodium nitrate solution

SOA: 

SRA:

During an experiment, a student reacts aqueous phosphoric acid and excess aqueous sodium hydrogen carbonate. 

The net ionic equation that represents the reaction that occurs at the second equivalence point in the experiment is

Predict the change in enthalpy due to the combustion of 10.0 g of propane. Assuming that the molar heat of combustion of propane is -2043.9 kJ/mol.

Use the calorimeter data for the combustion of magnesium to determine the molar enthalpy of reaction (in kJ/mol)  for magnesium

Mass of Mg(s) 0.31 g

Initial temperature of calorimeter contents 23.6 ºC

Final temperature of calorimeter contents 36.8 ºC

Volume of calorimeter 100mL

I'm not sure what to do with the Volume. 

2.00 mol of CH4(g), is initially added to 10.00 mol of Cl2(g) and some hydrogen chloride is produced, HCl(g). What would be the balanced reaction equation for this equilibrium and the maximum possible yield of chloromethane product.

3 NO₂(g)   +   H₂O(l)   →   2 HNO₃(l)   +   NO(g)   Δ_rH = -72.0 kJ,

calculate the molar enthalpy of reaction, _rH for:

      4)  NO(g)

 Given the reaction 3 NO2(g) + H2O(l) 2 HNO3(l) + NO(g) rH = 72.0 kJ,  calculate the molar enthalpy of reaction, rH for H2O(l)

Mass of Pecan: 1.47g

Mass of H2O: 50g

Initial temperature of water: 23°C

Final temperature of water: 59°C

Calculate the quantity of energy produced per gram of fuel (nut) burned.