A person fully reacts 25.4g of carbon with excess hydrogen

Last updated: 7/28/2022

A person fully reacts 25.4g of carbon with excess hydrogen gas. How much energy, in kilojoules, is released by the reaction? (Use a negative number if energy is released and a positive number if energy is added.) (Round to 2 Decimal Places) 4C (s) + 5H₂(g) →C4H10 (g) △H° =-125.6 kl/mol