Question 6.3: Manipulating Thermochemical Equations When 2 mol H2(g) and 1...

General Chemistry

Manipulating Thermochemical Equations

When 2 mol $H_2(g)$ and 1 mol $O_2(g)$ react to give liquid water, 572 kJ of heat evolves.

2H_2(g) + O_2(g) \to 2H_2O(l ); ΔH = - 572 kJ

Write this equation for 1 mol of liquid water. Give the reverse equation, in which 1 mol of liquid water dissociates into hydrogen and oxygen.

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