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How much heat in joules must be added to 0.874 kg of aluminum to change it from a solid at 146 °C to a liquid at 660 °C (its melting point)? The latent heat of fusion for aluminum is 4.0 x 105 J/kg

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 105AP: How much stress is cleated in a steel beam if its temperature changes from 15 to 40 but it cannot...

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Question

How much heat in joules must be added to 0.874 kg of aluminum to change it from a solid at 146 °C to a
liquid at 660 °C (its melting point)? The latent heat of fusion for aluminum is 4.0 x 105 J/kg.

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Step 1: Given data

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Step 2: Calculation for energy required to change the temperature of aluminum.

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Step 3: Calculation for energy required to change the state from solid to liquid.

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Step 4: Calculation for total heat energy.

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