Question

Given that ΔH°f(HCOOH,g) = -378.7kJ mol-1 and ΔH°f(HCOOH,l) = -425.0kJ mol-1. Calculate the vapor pressure of...

Given that ΔH°f(HCOOH,g) = -378.7kJ mol-1 and ΔH°f(HCOOH,l) = -425.0kJ mol-1.

Calculate the vapor pressure of formic acid in bar at 313.87 K, Using Clausius-clapeyron equation. Vapour pressure at 298.15K was calculated to be 0.0151bar from the previous question.

0 0
Add a comment Improve this question Transcribed image text
Answer #1

HCOOH (4) → HCOOH (8) f HCOOR) 46.3 k3l mo P, Ξ O.OIS{ ba9a T2 ︵ 313.87ケ P, en P 433 314- L 298 151 313-g 7 O OIS↓ F 93S p 2

Add a comment
Know the answer?
Add Answer to:
Given that ΔH°f(HCOOH,g) = -378.7kJ mol-1 and ΔH°f(HCOOH,l) = -425.0kJ mol-1. Calculate the vapor pressure of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • At 298.15K, ΔG°f(HCOOH,g) = -351.0kJ mol-1 and ΔG°f(HCOOH,l) = -361.4kJ mol-1. Use R = 8.3145 J...

    At 298.15K, ΔG°f(HCOOH,g) = -351.0kJ mol-1 and ΔG°f(HCOOH,l) = -361.4kJ mol-1. Use R = 8.3145 J mol-1 K-1. a) Calculate the vapor pressure of formic acid at 298.15 K. Hint: treat the vaporization process as a reaction, with gas phase as the product, and use the relation between ln(Kp) and ΔG to find the vapor pressure. Pvap,298.15 K =   bar.

  • 1) The enthalpy of vaporization for a liquid is found to be 14.4 kJ mol- at...

    1) The enthalpy of vaporization for a liquid is found to be 14.4 kJ mol- at 180 K, its normal boiling point. The molar volumes of the liquid and the vapour at the boiling point are are 115 mL mol-1, and 14.5 L mol-1, respectively. a) Use the Clapeyron equation to estimage the temperature dependence of the vapour pressure (dp/dT) at the normal boiling point. b) Use the Clausius-Clapeyron equation to estimate dp/dT. c) Does the Clausius-Clapeyron equation overestimate or...

  • Please answer parts E-H and show work/solution ANSWER E-H E F G H ANSWER PARTS E, F, G, AND H.......

    Please answer parts E-H and show work/solution ANSWER E-H E F G H ANSWER PARTS E, F, G, AND H........ 8. We have two "named" equations which allow us to quantify the pressure- temperature relationship of a two-phase equilibrium, the Clausius equation, A, and the Clausius-Clapeyron equation, B din P ΔΗ dP AS A: dT RT2 The Clausius equation is an exact result for a one-component system, derived with no approximations, while the Clausius-Clapeyron equation has some constraints. We will...

  • 8. (a) Use the Clausius-Clapeyron equation and calculate the vapor pressure (mm Hg) of butanone at...

    8. (a) Use the Clausius-Clapeyron equation and calculate the vapor pressure (mm Hg) of butanone at 45 °C, given that the vapor pressure is 100 mm Hg at a temperature of 25 °C. The enthalpy of vaporization of butanone is 34.0 kJ/mol. (b) Calculate the enthalpy of vaporization for a compound if its vapor pressure is 26 mm Hg at 20°C and 167 mm Hg at 55 °C.

  • The vapor pressure of substance X is 100. mm Hg at 1080.°C. The vapor pressure of...

    The vapor pressure of substance X is 100. mm Hg at 1080.°C. The vapor pressure of substance X increases to 600. mm Hg at 1220.°C. Determine the molar heat of vaporization of substance X using the derived form of the Clausius-Clapeyron equation given below. (Include the sign of the value in your answer.) ____ kJ/mol

  • Water has a vapor pressure of 23.8 mm Hg at 25°C and a heat of vaporization of 40.657 kJ/mol. Using the Clausius-Clapeyr...

    Water has a vapor pressure of 23.8 mm Hg at 25°C and a heat of vaporization of 40.657 kJ/mol. Using the Clausius-Clapeyron equation given below, determine the vapor pressure of water at 96°C. ln P2 P1 = −ΔHvap R 1 T2 − 1 T1 _______________ mm Hg (pay attention to sig figs)

  • 1. If the atmospheric pressure was 765 torr and the partial pressure of air was 745...

    1. If the atmospheric pressure was 765 torr and the partial pressure of air was 745 torr, calculate the partial pressure of water vapor using Dalton's Law. Perial - P. + P2! 765 forr = 745 torr & P2 P = 20 tour -795 torre 2. Refer to the "y = mx + b" (linear) form of the Clausius-Clapeyron equation on the first page of this experiment. What part of the Clausius-Clapeyron equation is equal to the slope: slope =...

  • Calculate the vapor pressure of 3-pentanone (b.p. 102.0 °C) at the gas chromatography column temperature of...

    Calculate the vapor pressure of 3-pentanone (b.p. 102.0 °C) at the gas chromatography column temperature of 96.0"C using the form of the Clausius-Clapeyron equation shown below, P1 P. vap where R is the ideal gas constant, ???? is the enthalpy of vaporization, T1 and T2 are two different temperatures, and P1 and P2 are the vapor pressures at the respective temperatures. The enthalpy of vaporization can be estimated using Trouton's rule, ??'vap-(88 J mol-1 K-1), Tp. Number Torr Calculate the...

  • The vapor pressure of ethanol is 115 torr at 34.9 oC and ΔHvap of ethanol is...

    The vapor pressure of ethanol is 115 torr at 34.9 oC and ΔHvap of ethanol is 38.6 kJ/mol, use this information and the Clausius-Clapeyron equation (shown below) to calculate the temperature in oC at which the vapor pressure is 760 torr (remember to convert temperatures to K in the equation (K = oC + 273). R = 8.314 J/mol·K. ( Please show each step, step BY step) I am having difficult with finding T2

  • i need help with this page. please be organized. thank you - () - C, D)...

    i need help with this page. please be organized. thank you - () - C, D) Activity: Clausius-Clapeyron Equation The Clausius Clapeyron equation allows us to find the vapor pressure at one temperature if we know the vapor pressure at another temperature and the AH Use the Clausius-Claperyon equation (given below) to solve the following problem. 1. Methanol has a normal boiling point of 64.6°C and a heat of vaporization (AHp) of 35.2 kJ/mol. What is the vapor pressure of...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT