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PhysicsQ&A LibraryA 2.60-kg block of copper at 19.0°C is dropped into a large vessel of liquid nitrogen at 77.3 K. How many kilograms of nitrogen boil away by the time the copper reaches 77.3 K? (The specific heat of copper is 0.0924 cal/g · °C, and the latent heat of vaporization of nitrogen is 48.0 cal/g.)Question

Asked Dec 4, 2019

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A 2.60-kg block of copper at 19.0°C is dropped into a large vessel of liquid nitrogen at 77.3 K. How many kilograms of nitrogen boil away by the time the copper reaches 77.3 K? (The specific heat of copper is 0.0924 cal/g · °C, and the latent heat of vaporization of nitrogen is 48.0 cal/g.)

Step 1

Write the expression for c...

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