How much heat energy is required to convert 87.8 g of solid ethanol at −114.5°C to...

How much heat energy is required to convert 87.8 g of solid ethanol at −114.5°C to gasesous ethanol at 184.2°C? The molar heat of fusion of ethanol is 4.60 kJ/mol, and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of −114.5°C and a normal boiling point of 78.4°C. The specific heat capacity of liquid ethanol is 2.45J/g⋅°C, and that of gaseous ethanol is 1.43J/g⋅°C.

Expert Solution

queen_honey_blossom answered 2 years ago

How much heat energy is required to convert 11.7 g of solid ethanol at -114.5 °C...

How much heat energy is required to convert 11.7 g of solid ethanol at -114.5 °C to gasesous ethanol at 165.1 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C.

How much heat energy is required to convert 53.0 g of solid ethanol at -114.5 °C...

How much heat energy is required to convert 53.0 g of solid ethanol at -114.5 °C to gasesous ethanol at 141.8 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C.

How much heat energy is required to convert 82.2 g of solid ethanol at -114.5 °C...

How much heat energy is required to convert 82.2 g of solid ethanol at -114.5 °C to gasesous ethanol at 129.6 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C.

How much heat is required to convert solid ice with a mass of 750 g and...

How much heat is required to convert solid ice with a mass of 750 g and at a temperature of -26.5 °C to liquid water at a temperature of 72.0 °C? (The specific heat of ice is cice = 2100 J/kgK, the specific heat of water is cwater = 4186.8 J/kgK, and the heat of fusion for water is: Lf = 334 kJ/kg.)

How much heat is required to convert solid ice with a mass of 605 g and...

How much heat is required to convert solid ice with a mass of 605 g and at a temperature of -12.5 °C to liquid water at a temperature of 55.5 °C? (The specific heat of ice is cice = 2100 J/kgK, the specific heat of water is cwater = 4186.8 J/kgK, and the heat of fusion for water is: Lf = 334 kJ/kg.)

How much energy in kilojoules is required to heat 3.47 g of ethanol (CH3CH2OH) from 1.71°C...

How much energy in kilojoules is required to heat 3.47 g of ethanol (CH3CH2OH) from 1.71°C to 98.8°C? The molar heat capacity of ethanol liquid is 112.86 J/mol °C. The molar heat capacity of ethanol gas is 78.28 J/mol °C. The ∆Hvap = 42.3 kJ/mol. The boiling point of ethanol is 78.4 °C. The melting point of ethanol is -114.14°C. PLEASE SHOW ALL WORK AND USE CORRECT SIG FIGS

A.) How much heat energy, in kilojoules, is required to convert 60.0 g of ice at...

A.) How much heat energy, in kilojoules, is required to convert 60.0 g of ice at -18 degrees celcius to water at 25 degrees celcius? B.) How long would it take for 1.50 mol of water at 100 degrees Celsius to be converted completely into steam if heat were added at a constant rate of 24.0 J/s?

Part A: How much heat energy, in kilojoules, is required to convert 45.0 g of ice...

Part A: How much heat energy, in kilojoules, is required to convert 45.0 g of ice at −18.0 ∘C to water at 25.0 ∘C ? Part B: How long would it take for 1.50 mol of water at 100.0 ∘C to be converted completely into steam if heat were added at a constant rate of 18.0 J/s ?

Part A. How much heat energy, in kilojoules, is required to convert 61.0 g of ice...

Part A. How much heat energy, in kilojoules, is required to convert 61.0 g of ice at −18.0 ∘C to water at 25.0 ∘C ? Express your answer to three significant figures and include the appropriate units. Part B. How long would it take for 1.50 mol of water at 100.0 ∘C to be converted completely into steam if heat were added at a constant rate of 25.0 J/s ? Express your answer to three significant figures and include the...

How much heat energy, in kilojoules, is required to convert 32.0 g of ice at −18.0...

How much heat energy, in kilojoules, is required to convert 32.0 g of ice at −18.0 ∘C to water at 25.0 ∘C ? Express your answer to three significant figures and include the appropriate units. How long would it take for 1.50 mol of water at 100.0 ∘C to be converted completely into steam if heat were added at a constant rate of 25.0 J/s ? Express your answer to three significant figures and include the appropriate units.

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