College Chem

posted by .

How many calories of energy are needed to vaporize a 20.2 g sample of liquid ethanol at its normal boiling point of 78 oC?

  • College Chem -

    q = mass ethanol x delta Hvap ethanol

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. apchem

    A 15.0g sample of liquid ethanol, C2H5OH, absorbs 5.13x10^3 J of heat at its normal boiling point, 78.0C. The molar enthalpy of vaporization of ethanol is 39.3kJ/mol. (a) What volume of ethanol vapor is produced?
  2. Chemistry

    A 15.0g sample of liquid ethanol, C2H5OH, absorbs 5.13x10^3 J of heat at its normal boiling point, 78.0C. The molar enthalpy of vaporization of ethanol is 39.3kJ/mol. (a) What volume of ethanol vapor is produced?
  3. chemistry

    how many calories are needed to vaporize 60g of ethly alcohol liquid at its boiling point of 78.4 degress celcius
  4. chemistry

    How much energy would be needed to vaporize 150 grams of ethanol when it is at its boiling point?
  5. Chemistry

    The following information is given for ethanol, C2H5OH, at 1atm: boiling point = 78.4oC Hvap(78.4oC) = 38.6 kJ/mol melting point = -115oC Hfus(-115oC) = 5.02 kJ/mol specific heat liquid = 2.46 J/goC At a pressure of 1 atm, what is …
  6. college chem

    Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 20.0 g sample of ethanol initially at a temperature of 13.6oC. The specific heat of …
  7. Chemistry

    How energy is needed to vaporize 100 g of ethanol from its boiling point?
  8. Chemistry

    How man kilojoules of energy are needed to vaporize a 28.6g sample of liquid benzene at its normal boiling point of 80C?
  9. chemistry

    The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm, kJ of heat are needed to vaporize a 41.0 g sample of …
  10. chemistry

    The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm,__kJ of heat are needed to vaporize …

More Similar Questions