A certain substance has a heat of vaporization of 26.56 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.50 times higher than it was at 351 K? T = K

Argon at a pressure of 1 atm condenses to a liquid at 87.4 K and solidifies at 83.9 K. The vapor pressure of liquid argon is 0.912 atm at 86.5 K. Calculate the volume of 1.00 mol of Ar vapor under these conditions and compare it with the volume of 1.00 mol of Ar at STP (0 °C, 1 atm). Volume 1 mol vapor at 86.5 K: Volume 1 mol gas at STP: The volume of 1.00 mol gas at STP is L mol vapor at 86.5 K. L ✓than the volume of 1.00

The normal boiling point of a liquid is 282 °C. At what temperature (in °C) would the vapor pressure be 0.5 atm? (∆Hvap = 28.5 kJ/mol)

Liquid butane is used in cigarette lighters. The boiling point of butane at 1 atm pressure is -1.0 °C and its ∆H(vap) is 22.44 kJ/mol. R = 8.314 ×10⁻³ kJ/mol･K. Calculate the pressure (in atm) of the butane in the lighter at 19.5 °C.

Steam at 100oC was passed into a flask containing 276.87g of water at 21oC, where steam condensed. How many grams of steam must have condensed if the temperature of water in the flask was raised to76.1oC? The heat of vaporization of water (delta H) at 100oC is 40.7 kJ/mol and the specific heat is 4.18 J/g.oC.

The enthalpy of vaporization of Substance X is 8.00 Round your answer to 2 significant digits. 0 atm x10 × kJ and its normal boiling point is -61. °C. Calculate the vapor pressure of X at - 103. °℃. mol Ś

A 0.554 g sample of steam at 105.5 ∘C is condensed into a container with 5.84 g of water at 14.0 ∘C. What is the final temperature of the water mixture if no heat is lost? The specific heat of water is 4.18 J g⋅ ∘C, the specific heat of steam is 2.01 J g⋅ ∘C, and Δ?vap=40.7 kJ/mol.

A certain substance has a heat of vaporization of 52.85 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.00 times higher than it was at 287 K?