K Kathryn New member Apr 1, 2010 #1 How many grams of oxygen gas are required to produce 7.53 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water? 2 H2(g) + O2(g) -> 2 H2O(g) ?H = -484 kJ Liquid water has a heat of vaporization of 44.0 kJ per mole at 25°C.
How many grams of oxygen gas are required to produce 7.53 kJ of heat when hydrogen gas burns at constant pressure to produce gaseous water? 2 H2(g) + O2(g) -> 2 H2O(g) ?H = -484 kJ Liquid water has a heat of vaporization of 44.0 kJ per mole at 25°C.