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Question 10 3 pts How many kilojoules of heat are needed to completely vaporize 28.7 g...
How much heat is needed to vaporize 225 g of rubbing alcohol C3H8O at its boiling point? The enthalpy change of vaporization of rubbing alcohol = 0.664 kj/mol.
how many kilojoules of energy are required to vaporize 5.0g of water? The molecular weight of water is 18.015 g/mol. the heat vaporization of water is 40.7 kj/mol
How much energy is needed to vaporize 230.0 g of liquid benzene (C6H6) at its boiling point? The molar heat of vaporization of benzene is 33.83 kJ/mol.
The following information is given for ether, C2H30C2H5, at 1 atm: boiling point = 34.6 °C AH ap(34.6 °C) = 26.5 kJ/mol melting point =-116 °C AH fus(-116 °C) = 7.27 kJ/mol specific heat liquid = 2.32 J/gºC At a pressure of 1 atm, kJ of heat are needed to vaporize a 35.6 g sample of liquid ether at its normal boiling point of 34.6 °C.
How much heat, in kilojoules, is released when a 67.35 g sample of cesium metal is cooled from 725 °C to 335 °C? Potentially Useful Information for cesium: Melting Point (°C) 28.5 Boiling Point (°C) 671 s(s) (J/g·°C) 0.242 s(l) (J/g·°C) 0.177 s(g) (J/g·°C) 0.157 ΔH°fus (kJ/mol) 2.087 ΔH°vap (kJ/mol) 74.4 Please show a heating curve diagram
How much heat is required to vaporize 100.0 g of ethanol, C2H,OH, at its boiling point? The enthalpy of vaporization of ethanol at its boiling point is 38.6 kJ/mol.
Use the References to access important values if needed for this question. The following information is given for ethanol CH3OH, at latm: AH 2p(78.4 °C) = 38.6 kJ/mol boiling point = 78.4°C specific heat liquid = 2.46 J/g°C At a pressure of 1 atm, kJ of heat are needed to vaporize a 40.4 g sample of liquid ethanol at its normal boiling point of 78.4 °C.
QUESTION 3 How much heat (in kJ) is required to raise the temperature of 122 g of ethanol (mw 46.07) from 11.29 °C to its boiling point of 78.37 °C and then vaporize it completely creating ethanol gas at the boiling temperature? (specific heat - 2.46 J/g°C, AHyap = 48.6 kJ/mol) QUESTION 4 What is the change in enthalpy (in kJ) when 40.1 g of ethanol (mw-46.07) is condensed at its boiling temperature? (specific heat 2.46 J/g°C, AHvap 48.6 kJ/mol)...
How much heat (in kJ) is required to raise the temperature of 288.7 g of ethanol (mw=46.07) from 39.38 °C to its boiling point of 78.37 °C and then vaporize it completely creating ethanol gas at the boiling temperature? (specific heat = 2.46 J/g°C, ΔHvap = 48.6 kJ/mol)
How much heat (in kJ) is required to raise the temperature of 202.8 g of ethanol (mw=46.07) from 40.34 °C to its boiling point of 78.37 °C and then vaporize it completely creating ethanol gas at the boiling temperature? (specific heat = 2.46 J/g°C, ΔHvap = 48.6 kJ/mol)