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.

Expert Solution

queen_honey_blossom answered 2 years ago

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.

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 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 energy is required to convert 55.4 g of solid iron at 21 °C...

How much heat energy is required to convert 55.4 g of solid iron at 21 °C to liquid iron at 1538 °C? The molar heat of fusion of iron is 13.8 kJ/mol. Iron has a normal melting point of 1538 °C. The specific heat capacity of solid iron is 0.449 J/g·°C.

At 1 atm, how much energy is required to heat 53.0 g of H2O(s) at –18.0...

At 1 atm, how much energy is required to heat 53.0 g of H2O(s) at –18.0 °C to H2O(g) at 143.0 °C?

At 1 atm, how much energy is required to heat 53.0 g of H2O(s) at –22.0...

At 1 atm, how much energy is required to heat 53.0 g of H2O(s) at –22.0 °C to H2O(g) at 157.0 °C? Helpful constants can be found here.

At 1 atm, how much energy is required to heat 53.0 g of H2O(s) at –10.0...

At 1 atm, how much energy is required to heat 53.0 g of H2O(s) at –10.0 °C to H2O(g) at 139.0 °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

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