Determine the mass in the pan
A scale is constructed using the 10 kg mass, the 2 kg pan P, and the pulley and cord arrangment. Cord BCA is 2m long. If s = .75 m, determine the mass D in the pan. Neglect the size of the pulley.
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What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? what is the system? What is the surrounding? In what direction does the heat flow?
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