Question

Can anyone tell me if my calculations are correct? Water Volume and Temperature Data Water Volume...

Can anyone tell me if my calculations are correct?

Water Volume and Temperature Data

Water

Volume (mL)

Temperature (C)

Initial

70mL

28.0oC

Final

95mL

2.0oC

System Heat Data

Mass of water (g)

70.0g

Mass of ice cube (g)

23.0g

Change in water temperature (C)

26.0Co

Change in ice temperature (C)

2.0Co

Heat lost by water (J)

7618.5J

Heat gained by ice after melting (J)

95.827J

Heat used to melt ice (J)

7522.7Jsigfig

Theoretical heat to melt ice (J)

7656.9J sigfig

% Error

1.75%

Instructions:In this experiment, you will you will construct a simple calorimeter and use it to measure the amount of energy required to melt an ice cube. You will then compare your measured value with a theoretical prediction.

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