Question

Hydrogen burns exothermically in oxygen.
The equation for the reaction is:
2H2 + 02 —› 2H20
The table shows the bond energies involved.
bond bond energy in kJ /mol H—H 436 0=0 498 0—H 464
What is the energy given out during the reaction? A —3226 kJ/ mol B —884 kJ /mol C —486 kJ /mol D —442 kJ /mol

Answer 1

l don't understand these question

Answer 2

Answer:

Explanation:

yes