Chemistry

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A piece of glass with a mass of 32.50 g specific heat of 0.840 J/g°C and an initial temperature of 115 °C was dropped into a calorimeter containing 57 g of water (specific heat 4.184 J/g°C). The final temperature of the glass and water in the calorimeter was 119.2 °C. What was the initial temperature of the water?

39.84°C

79.68°C

119.84°C

139.68°C

+3

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