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Suppose that the amount of heat removed when 42.1 kg of water freezes at 0.0 °C were removed from ethyl alcohol at its freezing...Asked by koketso
Suppose that the amount of heat removed when 13.8 kg of water freezes at 0.0 °C were removed from ethyl alcohol at its freezing/melting point of −114.4 °C. How many kilograms of ethyl alcohol would freeze?
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Answered by
DrBob222
Two problems here wrapped up in one. First you must determine how much heat was removed from the water. That's
q = mass H2O x heat fusion
q = 13,800 g H2O x heat fusion = ?
You must look up heat fusion.
Next, use q = mass EtOH x heat fusion for EtOH. Plug in heat fusion and q and solve for mass EtOH.
Post your work if you get stuck.
q = mass H2O x heat fusion
q = 13,800 g H2O x heat fusion = ?
You must look up heat fusion.
Next, use q = mass EtOH x heat fusion for EtOH. Plug in heat fusion and q and solve for mass EtOH.
Post your work if you get stuck.
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