Methane and Delta H?

When 1 mole of methane is burned at constant pressure, -890 KJ/mol of energy is released as heat. If a 2.16 g sample of methane is burned at constant pressure, what will be the value of Delta H?

2007-01-31 10:04:01 · 1 answers · asked by Rachel L 1 in Science & Mathematics ➔ Chemistry

1 answers

2.16 g/ 16.0 g/mol = 0.135 mol

Delta H = 0.135 mol * -890 kJ/mol = 120 kJ

2007-01-31 10:08:44 · answer #1 · answered by gebobs 6 · 0⤊ 0⤋

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