Question

Suppose 50.0 mL of 0.50 M HCl and 50.0 mL of 0.50 M NaOH, both initially at 21.0°C, are mixed in a thermos flask. When the reaction is complete, the temperature is 24.4°C. Assuming that the solutions have the same heat capacity as pure water, compute the heat released (in kJ).

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