Solving specific heat problems in physics
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1. An iron all of 1500 gm, mass and temperature 100°C is dropped into the cavity of a large block of ice. If specific heat of iron is 0.11, how much ice will be melted?
2. How much heat is generated, if 230g of ice at is melted at 10°C find the resulting water boiled and formed into steam at 120°C, [Specific heat of ice, is 0.5; of steam = 0.5].
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This solution shows how to solve physics problems related to specific heat.
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1. The total heat released by the iron as it cools off from 100 C to 0 C will be
Q = C m dT,
where C = 0.11, m = 1500 g, and dT = 100 C - 0 C = 100 C (K).
So we get
Q = 0.11 x 1500 g x 100 K = 16,500 ...
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