Saturday
April 19, 2014

Homework Help: chem

Posted by Anonymous on Saturday, March 8, 2008 at 8:39pm.

HNO3 (g) + 4H2 (g) ---> NH3 (g) + 3H2O (g) deltaH = -637 kJ
Calculate the enthalpy change when one mole of hydrogen reacts; and What is the enthalpy change when 10.00 g of ammonia is made to react with excess of steam to form nitric acid and hydrogen gases?

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