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7 solutions

Clausius-Clapeyron Equation

Q. Calculate the following with this data: T (K) Pair (torr) Pater (torr) Ln (P) 1/T 273.2 4.588392 770.911608 6.647573721 0.003660322 278.2 4.58509 770.91491 6.647578004 0.003594536 283.2 4.585009 770.914991 6.647578109 0.003531073 288.2 4.585071 770.914928 6.647578028 0.003469813 293.2 4.58507 770.91493 6.64757803 0.003410641 298.2 4.584959 770.91504 6.647578173 0.003353454

Solved • Jul 7, 2019

Clausius-Clapeyron Equation

Q. Determine the normal boiling point of a substance whose vapor pressure is 55.1 mm Hg at 35 oC and has a Hvap of 32.1 kJ/mol

Solved • Jul 5, 2019

Clausius-Clapeyron Equation

Q. Methane (CH4) has a boiling point of -164 degrees Celsius at 1.00 atm and a vapor pressure of 42.8 atm at -100 degrees Celsius. What is the heat of vaporization of CH4?

Solved • Jun 28, 2019

Clausius-Clapeyron Equation

Q. A liquid has a delta Hvap^0 of 34.6 kJ/mol and a boiling point of 128 degrees Celsius at 1 atm. What is its vapor pressure at 113 degrees Celsius?

Solved • Jun 28, 2019

Clausius-Clapeyron Equation

Q. What is the vapour pressure of acetone at 18.0 °C? [Normal boiling point of acetone = 56.1°C at 760 torr pressure; Delta Hvap = 29.1 kj/mol and gas constant = 8.314 j/mol K]

Solved • Jun 12, 2019

Clausius-Clapeyron Equation

Q. The vapor pressure for pure water and pure acetone is measured as a function of temperature. In each case, a graph of the log of the vapor pressure versus 1/T is found to be a straight line. The slope of the line for water is -4895 K and the slope of the line for acetone is -3765 K. What is the ΔHvap of acetone?

Solved • May 14, 2019

Clausius-Clapeyron Equation

Q. The vapor pressure of ethanol is 1.00 × 102 mmHg at 34.90°C. What is its vapor pressure at 55.45°C? (ΔHvap for ethanol is 39.3 kJ/mol.)

Solved • Apr 5, 2019