Chemistry

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24 October, 16:49

A 55.3 g sample of lead heated and then quenched in a 175g sample of water. During the quenching reaction the temperature of the water increases from room temperature, 25.0 °C, to 42.6 °C. Calculate the heat absorbed by the water given that the specific heat capacity of lead is 0.13 J / (g°C) and the specific heat capacity of water is 4.184 J / (g°C).

A) 0.13 kJ

B) 13 kJ

C) 18 kJ

D) 31 kJ

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