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The combustion of hydrogen-oxygen mixture is used to produce very high temperatures (=2500∘ C) needed for certain types of welding operations.H2(g)+12O2(g)→H2O(g); ΔH=−230.9 kJQuantity of heat, (in kJ) evolved when a 200 g mixture containing equal parts of H2 and O2 mass is burned, is |
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Answer» The combustion of hydrogen-oxygen mixture is used to produce very high temperatures (=2500∘ C) needed for certain types of welding operations. |
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