Question

the vapor pressure of silver between 1234K and 2485 K is given by the following expression:...

the vapor pressure of silver between 1234K and 2485 K is given by the following expression: ln(p) = -14260/T - 0.458ln(T) + 12.23 with P in torr and T in K. estimate the enthalpy of vaporization at 1500K and state the assumptions made.

Homework Answers

Know the answer?
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
Similar Questions
The vapor pressure of a liquid in the temperature range 200K to 280K was found to...
The vapor pressure of a liquid in the temperature range 200K to 280K was found to fit the expression: ln(P) = 16.235-2601.8 / T where P is in torr and T in kelvin. Calculate the enthalpy of vaporization of the liquid and the normal boiling temperature.
The vapor pressure of a liquid in a certain temperature range is given by the formula...
The vapor pressure of a liquid in a certain temperature range is given by the formula ln(p)=a-b/T, where a and b are constant. Find the enthalpy of vaporization of the liquid. (Hints: Clausius-Clapeyron equation; p is the numerical value of the pressure, i.e. it is dimensionless.)
The vapor pressure of benzene is found to obey the empirical equation ln(p/torr) = 16.725 -...
The vapor pressure of benzene is found to obey the empirical equation ln(p/torr) = 16.725 - (3229.86 K)/T - (118345 K^2)/T^2 from 298.2K to its normal boiling point 353.24 K. Given that the molar enthalpy of vaporization at 353.24K is 30.8 kJ/mol and that the molar volume of liquid benzene at 353.24K is 96.0 cm^3/mol, use the above equation to determine the molar volume of the vapor at the boiling temperature. HINT: Use the Clausius Clapeyron equation in some way...
At 50.14 K a substance has a vapor pressure of 258.9 torr. Calculate its heat of...
At 50.14 K a substance has a vapor pressure of 258.9 torr. Calculate its heat of vaporization in kJ/mol it if has a vapor pressure of 161.2 torr at 277.5 K.
The vapor pressures of methanol at two different temperatures are shown below. Use the following data...
The vapor pressures of methanol at two different temperatures are shown below. Use the following data to determine the heat of vaporization (Hvap) for methanol: Vapor pressure of methanol: 53.699 torr (at 283.1 K) 403.14 torr (at 323.1 K) Use the following data to determine vapor pressure (in torr) of n-pentane at 293.1 K : Heat of vaporization (Hvap) for n-pentane: 27.692 kJ/mol Vapor pressure of n-pentane at 283.1 K: 280.75 torr
Vapor Pressures of a solid and liquid ammonia near the triple point are given by: log...
Vapor Pressures of a solid and liquid ammonia near the triple point are given by: log P solid/ torr=10.00-1630 K/T log P liquid / torr=8.46-1330 K/T Calculate the ratio of the slopes of the sublimation and vapor pressure curves at the triple point.
1a.  From the following vapor pressure data for octane, an estimate of the molar heat of vaporization...
1a.  From the following vapor pressure data for octane, an estimate of the molar heat of vaporization of C8H18 is  kJ/mol. P, mm Hg T, Kelvins 100 339 400 377 1b. The normal boiling point of liquid chloroform is 334 K. Assuming that its molar heat of vaporization is constant at 29.9 kJ/mol, the boiling point of CHCl3 when the external pressure is 1.34 atm is  K. 1c. The vapor pressure of liquid butanol, C4H9OH, is 100. mm Hg at 343 K. A...
Below the triple point (-56.6°C) the vapor pressure of solid CO2 (also known as “dry ice”)...
Below the triple point (-56.6°C) the vapor pressure of solid CO2 (also known as “dry ice”) is given as: ln p = -3116/T + 16.01 The molar heat of melting of CO2 is 8330 J. Use just the data given here about CO2. State any assumptions you need to make to answer the following questions. (a) Calculate the vapor pressure exerted by the liquid CO2 at 25°C. (b) Explain why solid CO2 sitting on a laboratory bench evaporates rather than...
Write a mathematical relationship between partial pressure, Pi, and vapor pressure, Pi*, for components in vapor...
Write a mathematical relationship between partial pressure, Pi, and vapor pressure, Pi*, for components in vapor liquid equilibrium, and state the two key assumptions that must be valid for the relationship to hold.
1. The following are the vapor pressures of some relatively common chemicals measured at 20 °C:...
1. The following are the vapor pressures of some relatively common chemicals measured at 20 °C: Benzene, C6H6 80 torr Acetic acid, HC2H3O2 11.7 torr Acetone, C3H6O 184.8 torr Water, H2O 17.5 torr Diethyl ether, C4H10O 442.2 torr Arrange these substances in order of increasing boiling point. 2. At 0.00 °C, hexane, C6H14, has a vapor pressure of 45.37 mm Hg. Its ΔHvap is 30.1 kJ mol-1. What is the vapor pressure of hexane at 12.9 °C? The vapor pressure...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT