Question

4. Given the following data (20 points) 6H20 (1) ΔH =-3120kJ 2C2H6 (g) + 702 (g) C(s) + O2 (g) → 2H2 (g) + O2 (g) → 4CO2(g) CO2 (g) → 2H2O (1) + Use Hess's Law to calculate ΔH for the reaction 2C (s) 3H2 (g) C2H6 (g) → +

Answer 1

Explanation:

Please see the figure for confirmation

Answer 2

Answer:

$because \: in \: it \: the \: h2o \: is \: defined \: in \: liquid \\ state \: which \: is \: correct$