Question

The balanced combustion reaction for C6H6C6H6 is

2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542 kJ

If 8.300 g C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 ∘C, what is the final temperature of the water?

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