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How many grams of oxygen gas are required to produce 7.53 kJ of heat when hydrogen gas burns at constant press?

Posted by admin on May 19th

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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.

Filed Under: Water for Gas FAQ
Tagged: 7.53, Burns, constant, Grams, Heat, Hydrogen, Many, Oxygen, press, Produce, Required

When Hexane, C6h14 (a Gasoline Component) Burns To Produce Water And Carbon Dioxide (co2).?

Posted by admin on Feb 17th

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a) identify the reactants and the products of this reactant and the product of this reaction
b) write a balanced equation for the reaction
c)is this reaction endothermic of exothermic?
please help me do this