Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values
CH₄( g)+NH₃( g)→HCN(g)+3H₂ ( g)
Eq 1 N₂( g)+3H₂ →2NH₃ ( g)
Eq2C(s)+2H₂→CH₄( g)
Eq3H₂ ( g)+2C(s)+N₂ ( g)→2HCN(g)
ΔH=−91.8 kJ/mole
ΔH=−74.9 kJ/mole
ΔH=+270.3 kJ/mole
