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1. Given the thermochemical equation
N2(g) + 3H2(g) → 2NH3(g) ΔH = −91.8 kJ
how much energy is given off when 222.4 g of N2 reacts?
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2.
Given the thermochemical equation
N2(g) + O2(g) → 2NO(g) ΔH = 180.6 kJ
if 558 kJ of energy are supplied, what mass of NO can be made?
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How many kilojoules are given off when 17.8 mol of CH4(g) react?
CH4(g) + 2O2(g) → CO2(g) + 2H2O(ℓ) ΔH = −890.1 kJ
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