Ethyl alcohol has a boiling point of 78.0 ˚C, a freezing point of -114 ˚C, a...
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?
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![Heat removed Q- men + MC AT +mth. -.Q= in [lo + el Ti-Te) + Lt). 10.0.693 [879 + 2.43* (78-(-114)) + 109] Q-993.46 KJ](http://img.homeworklib.com/questions/fcc93370-902e-11ec-9765-f5caab830945.png?x-oss-process=image/resize,w_560)
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Ethyl alcohol has a boiling point of 78.0 ˚C, a freezing point
of -114 ˚C, a...
Ethyl alcohol has a boiling point of 78.0 ˚C, a freezing point of -114 ˚C, a...
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 degree C, a freezing point of -114 degree...
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?
Ethyl alcohol has a boiling point of 78.0 degrees Celsius, a freezing point of -114 degrees...
Ethyl alcohol has a boiling point of 78.0 degrees Celsius, a freezing point of -114 degrees Celsius, a latent heat of vaporization of 879 kJ/K, a latent heat of fusion of 109 kJ/K, and a specific heat of 2.43 kJ/kg.K. How much energy must be removed from 0.510 kg of ethyl alcohol that is initially a gas at 78.0 degrees Celsius so that it becomes a solid at -114 degrees Celsius?
Chapter 18, Problem 039 Ethyl alcohol has a boiling point of 78.0 °C, a freezing point...
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%
Question 5 Ethyl alcohol has a boiling point of 78.0 °C, a freezing point of -114...
Question 5 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 0.539 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% This answer has no units SAVE FOR...
Need help on those two problems! Question 4 Incorrect. Ethyl alcohol has a bolling point of...
Need help on those two problems!
Question 4 Incorrect. Ethyl alcohol has a bolling point of 780°C a freezing point of-1 14 С a heat of vaporization of 879 kJkg a heat of fusion of 109 kle and a specific C? Number778 heat of 243kJkgK. Howmuch enersy must be removed from Os535 kg of ethylalcoho that sinitialy gas at 780 C so that i becomes a sold a 114 Units kg eTextbook and Media Hint Attempts: 1 of 6 used...
potassium metal has melting point of 63.65 C and a boiling point of 774 C Enthalpy...
potassium metal has melting point of 63.65 C and a boiling point of 774 C Enthalpy fusion = 14.37 cal/g enthaply of vaporization = 490.3 cal/g Specific heat @ solid = .1759 cal/gC specfic heat @ liquid =.5425 cal /gC specfic heat @ gas = .2629 cal /gC a) draw heatung curve that us heated from 23C to 1200c b) Calculate total heat required in units of kJ for 39.5 g of potassium
Methylene chloride has a melting point of - 94.8°C, a boiling point of 40.0°C, a specific...
Methylene chloride has a melting point of - 94.8°C, a boiling point of 40.0°C, a specific heat of 1.21 J/g *K for the solid and liquid, and 0.608 J/g*K for the gas. The heats of fusion and vaporization are ΔHfus of 73.40 J/g, and ΔHvap of 334.35 J/g respectively. Determine how many joules of energy are needed to heat 40 grams of methylene chloride from -171.4 ° F to 333 K. Draw out and label your heating curve. This will...
What is the freezing point of an alcohol in °C to the nearest degree if its...
What is the freezing point of an alcohol in °C to the nearest degree if its heat of fusion(AHlusº) +9.37 kJ/mol and its entropy of fusion ASfusº = 50.6 J/K.mol.
stored at 12C. The specific heat of fish above freezing point is 680 kg of fish...
stored at 12C. The specific heat of fish above freezing point is 680 kg of fish at 5'C are to be frozen and 3.182 kJ/kg K, and below freezing point is 1.717 kJ/kg K. The freezing point is -2'C, and the latent heat of fusion is 234.5 k/kg. How much heat must be removed to cool the fish, and what per cent of this is latent heat?
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?
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%
Question 5 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 0.539 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% This answer has no units SAVE FOR...
Need help on those two problems!
Question 4 Incorrect. Ethyl alcohol has a bolling point of 780°C a freezing point of-1 14 С a heat of vaporization of 879 kJkg a heat of fusion of 109 kle and a specific C? Number778 heat of 243kJkgK. Howmuch enersy must be removed from Os535 kg of ethylalcoho that sinitialy gas at 780 C so that i becomes a sold a 114 Units kg eTextbook and Media Hint Attempts: 1 of 6 used...
What is the freezing point of an alcohol in °C to the nearest degree if its heat of fusion(AHlusº) +9.37 kJ/mol and its entropy of fusion ASfusº = 50.6 J/K.mol.
stored at 12C. The specific heat of fish above freezing point is 680 kg of fish at 5'C are to be frozen and 3.182 kJ/kg K, and below freezing point is 1.717 kJ/kg K. The freezing point is -2'C, and the latent heat of fusion is 234.5 k/kg. How much heat must be removed to cool the fish, and what per cent of this is latent heat?
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