A 1:1 mole ratio of CO (g) and H 2 (g) is called water gas.

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A 1:1 mole ratio of CO (g) and H2 (g) is called water gas. It is used as a fuel because it can be burned in air:2CO(g) + O(g)  2CO(g) 2H(g) + O(g)  2HO(1) AH = -566 kJ AH = -571.7 kJ


(a) Find the number of moles of CO (g) and H2 (g) Present in 10.0 g water gas. (Remember that they are present in a 1:1 mole ratio.)

(b) Use the preceding thermochemical equations to fi nd the enthalpy change when 10.0 g water gas is burned in air.

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Chemistry Principles And Practice

ISBN: 9780534420123

3rd Edition

Authors: Daniel L. Reger, Scott R. Goode, David W. Ball

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