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

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Physics

A piece of ice having a mass of 2 kg and an initial temperatureof −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 fusionfor 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 waterthe container?

?? = ____________ kg

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

? = _____________ ℃

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