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High-altitude mountain climbers do not eat snow, but always melt it first with a stove. To...

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Physics

High-altitude mountain climbers do not eat snow, but always meltit first with a stove. To see why, calculate the energy absorbedfrom a climber's body under the following conditions. The specificheat of ice is 2100 J/kg⋅C∘, the latent heat of fusion is 333kJ/kg, the specific heat of water is 4186 J/kg⋅C∘.

Part A: Calculate the energy absorbed from a climber's body ifhe eats 0.50 kg of -15∘C snow which his body warms to bodytemperature of 37∘C. Express your answer to two significant figuresand include the appropriate units.

Part B: Calculate the energy absorbed from a climber's body ifhe melts 0.50 kg of -15∘C snow using a stove and drink theresulting 0.50 kg of water at 2∘C, which his body has to warm to37∘C. Express your answer to two significant figures and includethe appropriate units.

Answer & Explanation Solved by verified expert
4.4 Ratings (734 Votes)
Answera The specific heat of ice is 2100 Jkg C Sicethe latent heat of fusion is 333 KJkg LIcethe specific heat of    See Answer
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