Question

If fH0 for CO2(g) is – 394 kJ mol-1, what is for the formation of 2.2g of CO2 ?

Answer 1

Answer:

-19.7kJmol-1

Explanation:

1 mol CO2 ,=44g CO2

gor 1mole CO2 the fHo is -394kj

for 2.2 g of CO2 it is = (-394/44)×2.2= -19.7kJ mol-1