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| Hess's Law | 17 mins | 0 completed | Learn |
| Enthalpy of Formation | 13 mins | 0 completed | Learn Summary |
| End of Chapter 6 Problems | 52 mins | 0 completed | Learn |
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Butane combusts according to the equation: C4H10(g) + 13/2 O2(g) → 4 CO2(g) + 5 H2O(g); ΔH˚rxn = -2658 kJ. What mass of butane in grams is necessary to produce 2.1×103 kJ kJ of heat?
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