1. | 120.9 kJ | 2. | 241.82 kJ |
3. | 18 kJ | 4. | 100 kJ |
At standard conditions, if the change in the enthalpy for the following reaction is –109 kJ mol–1
H2(g)+Br2(g)2HBr(g) and the bond energy of H2 and Br2 is 435 kJ mol–1 and 192 kJ mol–1 respectively, what is the bond energy (in kJ mol–1) of HBr?
1. | 368 | 2. | 736 |
3. | 518 | 4. | 259 |