A volatile liquid has an enthalpy of vaporization of 31.6 kJ/mol, and a vapor pressure of...

A volatile liquid has an enthalpy of vaporization of 31.6 kJ/mol, and a vapor pressure of
224 mmHg at a temperature of 25.0 oC. What is the normal boiling point of the liquid?

Expert Solution

queen_honey_blossom answered 2 years ago

Pure liquid water has a heat of vaporization of x kJ/mol. The vapor pressure of water...

Pure liquid water has a heat of vaporization of x kJ/mol. The vapor pressure of water is 23.756 torr at room temperature (25 °C). What would the vapor pressure of water be expected to be at 37 °C? How would the vapor pressure be changed if 1.0 gram of NaCl were added to a volume of 100 mL of water?

7. (5 pts) A liquid with an enthalpy of vaporization, Hv, of 52.80 KJ/mole has a...

7. (5 pts) A liquid with an enthalpy of vaporization, Hv, of 52.80 KJ/mole has a normal boiling point at 38.38C. Its vapor pressure at 24.86C is: (a) 166.09 Torr (b) 233.91 Torr (c) 301.4 Torr (d) 374.5 Torr

Ammonia (NH3) boils at -33.4 oC. It has an enthalpy of vaporization of 23.35 kJ/mol. The...

Ammonia (NH3) boils at -33.4 oC. It has an enthalpy of vaporization of 23.35 kJ/mol. The liquid has a specific heat of 80.8 J/mol oC, and the gas has a specific heat of 35.06 J/mol 0C. A 34.06 gram sample of ammonia was heated, at 1 atmosphere pressure, from -40 oC to room temperature (25 oC). How many kJ of thermal energy did the sample absorb from the surroundings in this process? I got 101263.8J (101.3kJ) and it is NOT...

enthalphy of fusion for h2o is 6.01 kg/mol and enthalpy of vaporization is 40.7 kj/mol. why...

enthalphy of fusion for h2o is 6.01 kg/mol and enthalpy of vaporization is 40.7 kj/mol. why are they so different?

At 180°C the heat of vaporization, AvapH of a certain liquid is 14.4 kJ mol'1 ....

At 180°C the heat of vaporization, AvapH of a certain liquid is 14.4 kJ mol'1 . The molar volumes of the liquid and the vapour at the boiling point are 115 cm3 mol'1 and 14.5 dm3 mol' 1 , respectively. Estimate the change in the boiling point of the liquid at 180°C per bar change in atmospheric pressure, dT/dp using the Clayperon equation. Briefly discuss the physical significance of the sign of dT/dp .

Vapor Pressure and Heat of Vaporization a. The vapor pressure of acetone at 20° C is...

Vapor Pressure and Heat of Vaporization a. The vapor pressure of acetone at 20° C is 185.5 mm Hg, and the vapor pressure of water at this same temperature is 17.5 mm Hg. Predict which of the two liquids will have a higher normal boiling point. Use a molecular point of view to explain your prediction. b. Use data from the table below and make a graph of the lnP versus the reciprocal of absolute temperature. Use the slope from...

The standard enthalpy of vaporization of Freon-11, CFCl3, is 25.21 kJ/mol at its normal boiling point...

The standard enthalpy of vaporization of Freon-11, CFCl3, is 25.21 kJ/mol at its normal boiling point of 17°C. What is the change of entropy for 1 mol of liquid Freon-11 when it vaporizes at its normal boiling point? For the process Cl2(g) → 2Cl(g), Question 18 options: ΔH is + and ΔS is + for the reaction. ΔH is + and ΔS = 0 for the reaction. ΔH is – and ΔS is – for the reaction. ΔH is –...

The vapor pressure of liquid bromine (Br2) at 9.30 °C is 100.0 torr and enthalpy of...

The vapor pressure of liquid bromine (Br2) at 9.30 °C is 100.0 torr and enthalpy of vaporization is 30.91 kJ/mole. Calculate the normal boiling point of Br2. Be sure to enter a unit with your answer.

Ethanol boils at 73.30 degrees Celsius at atmospheric pressure. The heat of vaporization, ΔΗvapis 39.3 kJ/mol....

Ethanol boils at 73.30 degrees Celsius at atmospheric pressure. The heat of vaporization, ΔΗvapis 39.3 kJ/mol. The melting point at atmospheric pressure is -114.10 degrees Celsius. The triple point is at pressure 0.00043 Pa and temperature -123.00 degrees Celsius. The density of liquid Ethanol at 25.0 degrees Celsius is 0.783 gr/cm3. What is the vapor pressure of liquid ethanol at 30.00 degrees Celsius? The heat of fusionΔΗmeltis 4.9 kJ/mol. Calculate the change in volume brought about by a transition from...

Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4...

Ethanol has a heat of vaporization of 38.56 kJ/mol and a normal boiling point of 78.4 ∘C. What is the vapor pressure of ethanol at 12 ∘C?

Question