Question

• What is the enthalpy change of
the following reaction, H2(g) + C12(g)
2HCl(g), if the bond energies of H-
H, CI-Cl and H-Cl are 49.0 kJ mol-1,
285.8 kJ mol-1 and -389.3 kJ mol-1​

Answer 1

Explanation:

formation and Hess's Law to calculate enthalpy changes. ... raise the temperature of 1 g of water by 1°C. 1 cal ... 1. What is the kinetic energy (in kJ) of a 2300. lb car moving at 55.0 mi/h?