Question

Can someone please help me here !! this deals with hess's law. please help me !! ​

Answer 1

Answer:2CO2(g)+H2O(g)→C2H2(g)+52O2(g)C2H2(+2H(g)→C2H6(g)

ΔH=−94.5kJ2O(g)→H2(g)+12O2(g)

ΔH=71.2

kJC2H6(g)+72O2(g)→2CO2(g)+3H2O(g)

ΔH=−283kJ