P4 (s) + 5O2 (g) → P4O10 (s)
MM of P4: P - 30.97 (4) = 123.88 g/mol
When 10.00 g of phosphorus is burned in O2(g) to form P4O10(s), enough heat is generated to raise the temperature of 2960 g of water from 18.0˚C to 38.0˚C. Calculate the heat of formation of P4O10(s) under these conditions.
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