Calculate the vapor pressure of water at 0°C, if we assume the normal boiling point (The heat of vaporization of water is 43.9 kJ/mol)
Calculate the vapor pressure of water at 0°C, if we assume the normal boiling point (The...
A substance has a normal boiling point of 125.5 oC and a vapor pressure of 35.5 torr at 20.0 oC. Based on this data, calculate the heat of vaporization (in kJ/mol) for this substance. this the second time I am posting this question, the first answer was wrong. Please help me with the correct answer.
At its normal boiling point of 126 degree C, octane, C H has a vapor pressure of 760 mm Hg. What is its vapor pressure at 25 degree C? The enthalpy of vaporization of 39.07 kJ/mol point (in degree C) of a solution prepared by dissolving 7.40 g Assume ideal behavior. K_fp for H_2 O is -1.86 degree C/m.
At what temperature will toluene have a vapor pressure of 517 torr. The normal boiling point of toluene is 110.6C at 1 atm pressure with the molar enthalpy of vaporization being 35.2 kJ/mol
1. (1.5 pts) Clausius Clapeyron. Show by calculation what is the vapor pressure of water at 45.0 °C. The normal boiling point of water is 100.0 °C and the heat of vaporization, AHap 40.7 kJ/mol. (Hint: you should know what P at the normal boiling point is.) 45.0 C
a.) Determine the normal boiling point of a substance whose vapor pressure is 55.1 mm Hg at 35°C and has a ΔHvap of 32.1 kJ/mol. b.) Determine the vapor pressure (in mm Hg) of a substance at 29°C, whose normal boiling point is 76°C and has a ΔHvap of 38.7 kJ/mol. c.) Which of the temperatures below is most likely to be the boiling point of water at 880 torr? 100°C 92°C 105°C 88°C
- O ADVANCED MATERIAL Calculating vapor pressure from boiling point and enthalpy of va... KJ The enthalpy of vaporization of Substance X is 9.00 – and its normal boiling point is -104. °C. Calculate the vapor pressure of X at -172. °C. mol and its Round your answer to 2 significant digits. atm x 6 ?
What is the enthalpy of vaporization if a liquid has a normal boiling point of 118.0 C and at 2.54 atmospheres has a boiling point of 147.0 C? A. -43.9 kJ/mol B. -4.64 kJ/mol C. 4.64 kJ/mol D. 43.9 kJ/mol E. Not enough info provided
Propane has a normal boiling point of -42.0 ∘C∘C and a heat of vaporization (ΔHvapΔHvap) of 19.04 kJ/molkJ/mol. What is the vapor pressure of propane at 15.0 ∘C∘C? Express your answer using three significant figures. PP = nothing torrtorr
The normal boiling point of ammonia is -33.3°C, and its enthalpy of vaporization is 23.35 kJ/mol. Calculate the temperature in °C required to double the vapor pressure of ammonia.
the vapor pressure of acetonitrile changes with temperature at a rate of 0.03 atm / K near its normal boiling point of 80C. Under these conditions the heat of vaporization would be? a) 31 KJ/mol b) 13 KJ/mol c) 41 KJ/mol d) 0.03 KJ/mol a) 31 KJ/mol b) 13 KJ/mol c) 41 KJ/mol d) 0.03 KJ/mol