Questions tagged 'Thermochemistry'
2 questions
Calculate ΔH°rxn for the following: (Hess’s Law of Heat Summation)?
Could you please calculate ΔH°rxn for the following reaction using Hess’s Law of Heat Summation? SiO2(s) + 4 HF(g) → SiF4(g) + 2 H2O(l) Please provide the answer in kJ. I believe I have a basic under...
Acetylene burns in air according to the following equation: c2h2(g) + 5 2 o2(g) → 2 co2(g) + h2o(g) δh o rxn = −1255.8 kj given
Acetylene burns in air according to the following equation: C₂H₂(g) + 5/2 O₂(g) → 2 CO₂(g) + H₂O(g) The standard enthalpy change of the reaction (ΔH°_rxn) is -1255.8 kJ. Given that the standard enth...