Question #15403

a student mixes two water solutions with an initial temperature of 25.0C to form a final solution with a mass of 65.0g at 30.0C. what is the heat change, in KJ for the reaction?

Expert's answer

Q = c*m*(t2-t1) = 4.18 * 65 g * (30 - 25) = 1.36 kJ

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