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A 56.6-g ice cube is initially at 0.0°C.
(a) Find the change in entropy of the cube after it melts completely at 0.0°C. Hint: The latent heat of fusion for water is3.33 105
J/kg.
(b) What is the change in entropy of the environment in this process?
J/kg
Let's build a helium atom. Start with a nucleus with 2 protons and 2 neutrons, Calculate the energy gained by the system constructing this atom
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