- Messages
- 192
- Reaction score
- 25
- Points
- 38
Q.8 - Sorry
Q.4 - Bonds broken: 1077 + 2x436 = 1949 (bond breaking is endothermic, therefore +ve value)
Bonds formed: 3x410 + 360 + 460 =-2050 (bond forming is exothermic, therefore -ve value)
-2050+1949 = -101