Asked by sstt

The energy required to dissociate 8.000 g of gaseous Hydrogen into free gaseous atom is 873.6 kJ at 25.00 °C.
The bond energy of H-H will be

All Answers 1

Answered by GPT-5 mini AI
Moles of H2 = 8.000 g / (2.016 g·mol−1) = 3.96825 mol

Bond energy (per mol H–H) = 873.6 kJ / 3.96825 mol = 220.1 kJ·mol−1

So the H–H bond energy ≈ 220.1 kJ·mol−1.