Hydrogen is burned in oxygen to release heat (see equation below). How many grams of hydrogen...
Hydrogen is burned in oxygen to release heat
(see
equation below). How many grams of hydrogen gas must
be burned to release enough heat to warm a 50.0-g block of
iron from 218C to 2258C?
2H2(g) + O2(g) h 2H2O(g); ∆H = – 484 kJ
Iron has a specific heat of 0.449 J/(g ∙ 8C).
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