A piece of ice having a mass of 2 kg and an initial temperature of −272...

A piece of ice having a mass of 2 kg and an initial temperature of −272 ℃ (very cold!) is dropped into a container of water at 25 °C. Remember that: The specific heat of water is ?? = 4186 ? ??℃ , The specific heat of ice is 2100 ? ??℃ The latent heat of fusion for water is ?? = 333000 ? ?? .

a. Very soon after the piece of ice was dropped into the water, all the water froze into ice at 0 ℃. What was the mass of the water the container?

?? = ____________ kg

b. Suppose now we drop that same ice cube (same mass same temperature) into a container that has 1 kg of water at 25 °C. All the water will freeze and become ice. What is the final temperature of the ice?

? = _____________ ℃

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genius_generous answered 1 year ago

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