Calculate the amount of heat transferred?

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Calculate the amount of heat transferred?

Calculate the amount of heat transferred when 44.0 g of CH_3OH (g) is decomposed by this reaction at constant pressure.

Find Delta H which will be in kJ.

CH3OH --> CO + 2H2 for reaction Delta H +90.7 kJ

2007-11-21 20:59:57 · 2 answers · asked by hobiesailor07 1 in Science & Mathematics ➔ Chemistry

2 answers

DeltaH = DeltaH per mole of reaction ( = 90.7 kJ, given) x number of moles of reaction ( = 44.0 divided by molar mass of CH3OH)

That's all!

2007-11-22 05:17:43 · answer #1 · answered by Facts Matter 7 · 0⤊ 0⤋

Your equation says that when 2 mols of Mg react, 1204 kJ of energy are released. You are asked for the energy when 2.6 g of Mg react. Your periodic chart will tell you how much mass of Mg equals 1 mol.

2016-05-25 00:08:41 · answer #2 · answered by ? 3 · 0⤊ 0⤋