2) Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in...
The enthalpy of fusion for methane (CH4) is 0.942kJ/mol. How much heat is required to melt 37.91g of solid methane at its melting point? Report your answer in units of kJ.
Question 2 3 pts The heat of fusion for glycerol (C3H803) is 18.48 kJ/mol. How much heat would be absorbed when 227.57 g of glycerol undergo fusion? Express your answer in units of kilojoules (kJ) using at least three significant figures. Question 3 3 pts The Arxn for the combustion of acetone (C3HO) is -895 kJ, as shown below. How many grams of Oz would need to be consumed by this reaction in order to release 571.9 kJ of heat?...
8. The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength 6.42 x 10 m that must be absorbed to melt 1.00 g of ice. [Answers 1.08 x 1022 photons)
Ethyl alcohol has a boiling point of 78.0 ˚C, a freezing point of -114 ˚C, a heat of vaporization of 879 kJ/kg, a heat of fusion of 109 kJ/kg, and a specific heat of 2.43 kJ/kg·K. How much energy must be removed from 0.689 kg of ethyl alcohol that is initially a gas at 78.0 ˚C so that it becomes a solid at -114 ˚C?
Ethyl alcohol has a boiling point of 78.0 ˚C, a freezing point of -114 ˚C, a heat of vaporization of 879 kJ/kg, a heat of fusion of 109 kJ/kg, and a specific heat of 2.43 kJ/kg·K. How much energy must be removed from 0.683 kg of ethyl alcohol that is initially a gas at 78.0 ˚C so that it becomes a solid at -114 ˚C?
how much heat in kilocalories is required to melt 2.9 mol of isopropyl (molar mass=60.0g/mol) the heat fusion and heat vaporization of isopropyl are 21 4 cal/g and 159 cal/g
The heat of fusion of ice is 80 cal/g. How many calories are required to melt 1.0 mol of ice? 1.4 x 103 cal None of these 0.23 cal 6.9 x 10-4 cal 4.4 cal
Ethyl alcohol has a boiling point of 78.0 degree C, a freezing point of -114 degree C, a heat of vaporization of 879 kJ/kg, a heat of fusion of 109 kJ/kg, and a specific heat of 2.43 kJ/kg-K. How much energy must be removed from 0.567 kg of ethyl alcohol that is initially a gas at 78.0 degree C so that it becomes a solid at -114 degree C?
Solid ice melts at 0 °C and has a latent heat of fusion of 333 kJ/kg. How much heat is required to first melt 0.02 kg of ice into water at 0 °C, and then increasing the temperature of the water from 0 °C to 16.6 °C? (C=4186 J/kg.Cº] Heat of fusion Le Water (all liquid) Water and ice Ice at 0 °C water at 0 °C Answer: J kJ Next page Online Quizlenlaces the crada oficinss. Send message
Chapter 18, Problem 039 Ethyl alcohol has a boiling point of 78.0 °C, a freezing point of -114 °C, a heat of vaporization of 879 kJ/kg, a heat of fusion of 109 kJ/kg, and a specific heat of 2.43 kJ/kg K. How much energy must be removed from 0.765 kg of ethyl alcohol that is initially a gas at 78.0 °C so that it becomes a solid at -114 C? Number Units the tolerance is +/-2%