Question

An ice bag containing 0°C ice is much more effective in absorbing heat than one containing...

An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water.

(a)

How much heat (in J) is required to raise the temperature of 0.800 kg of water from 0°C to 32.0°C?

  J

(b)

How much heat (in J) is required to first melt 0.800 kg of 0°C ice and then raise its temperature?

  J

(c)

Explain how your answers support the contention that the ice is more effective.

Please explain thoroughly and why, I am really confused.

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