The enthalpy of combustion for octane (C3H13()), a key component of gasoline, is –5074 kJ/mol. The reaction equation is: C3H18(1) + 12.502(g) → 8C02(g) + 9H2O(g).
What is the AHq for this reaction?

16CO2(g) + 18H2O(g) → 2C3H18(1) + 2502(g)
kJ

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant