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CCl3F boils at 23.8 degrees Celcius, and its molar heat

CCl3F boils at 23.8 degrees Celcius, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of
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2. asked by Kay
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How many joules of heat are needed to heat 25.0 g of ice at -5.0 degrees celcius to a final temperature of 40.0 degrees celcius?
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A physicist converted 2 kg of water at 37 degrees celcius to steam at 100 degrees celcius. Assuming no heat is lost, calculate
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The vapor pressure of dichloromethane, CH_2Cl_2, at 0 degrees celcius is 134 mmHg. The normal boiling point of dichloromethane
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2. asked by jack
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Ethanol boils at a temp. of 78.29 degrees C. What amount of energy, in joules, is necessary to heat to boiling and then
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2. asked by Lindsay
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A 2.8 kg gold bar at 99 degrees celciusis dropped into 0.21 kg of water at 23 degrees celcius What is the ﬁnal temperature?
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the specific heat capacity of seawater is 3900 j/kg degrees celcius. how much energy is needed to heat 500g of seawater from 20
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2. asked by freddie
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calculate the heat energy required to raise the temperature of a 500. gram iron pipe from 25 degress celcius to 100 degrees
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2. asked by andrea
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0.5kg of orange squash at 30 degrees celcius is placed in a refrigerator which can remove heat at an average rate of 20J/s.How
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2. asked by Elisah
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Find the mass of iron heated to 85 degrees celcius that was added to 54.0 grams of water. The temperature of the water changed
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2. asked by Gray
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