Chem II/College
posted by Bianca .
Using the Clausius Clapeyron equation determine the vapor pressure of water at 50.0 degrees C. The molar heat of vaporization of water is 40.7 kJ/mol. How do you solve this?

Mg and O lab
how will the relative number of moles of mg and o be affected if the following procedural errors are made?
a)crucible is not brought to constant mass before the Mg is added.
b)water is not added after the first heating of Mg, and the entire solid in the crucible is considered to be MgO
c)some of the fluffy white ppt is lost before the crucible is weighed for the last time.
d)in an effort to begin a second sample while the first is cooling, the hot crucible containing the solid from determination 1 is accidently dropped, and a small chip is lost from the crucible.
i said b was a higher value for O because the mass of our product would be higher and we determined the mass of O by subtracting our mass of Mg used, in a previous calculation
i said the decrease in the amount of O for part c because of basically the same reason; we have a smaller product so we would calculate a smaller amount of O
the other two i'm not sure of and am kind of confused.
if you could check mine and help me with the others?
please be specific!thanks!
Respond to this Question
Similar Questions

heat of vapor pressure
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to 9500 K. According to the Clausius Clapeyron equation, Hvap is ? 
AP CHEMURGENT PLEASE
at 25 degrees C liquid A has a vapor pressure of 100.0 torr, while liquid B has a vapor pressure of 200.0 torr. The heat of vaporization of liquid A is 32.0 kJ/mol and that of liquid b is 18.0 kJ/mol. At what celsius temperature will … 
Chemistry
If you can show me an example of one problem, I have no idea how to approach this. Calculate where the number 40.67 came from. Use the ClapeyronClausisus equation. Assuming that delta H vap does not change with temperature, this equation … 
CHEMISTRY
if a pure liquid in a sealed container is in equilibrium with its own vapor, the dependence of the vapor pressure on the temperature and the heat of vaporization is governed by the ClausiusClapeyron equation. what is the heat of vaporization … 
college chem
calculate the amount of energy (in kj) necessary to convert 457 g of liquid water from 0 Celecius to water vapor at 167 celcius. the molar heat of vaporization (Hvap) of water is 40.79 jk/mol. the specific heat for water is 4.187 j/g … 
Chemistry
I need help in solving this problem: A certain substance has a heat of vaporization of 42.46 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 291 K? 
ap chemistry
Use the ClausiusClapeyron equation to cal culate the temperature at which pure water would boil at a pressure of 434 torr. The heat of vaporization of water is 41276 J/mol at 100C. Answer in units of C 
AP Chemistry
Use the ClausiusClapeyron equation to calculate the temperature at which pure water would boil at a pressure of 367 torr. The heat of vaporization of water is 43105 J/mol at 100◦C. Answer in units of ◦C 
chem
The normal boiling point of Ta is 5425°C. What is its vapor pressure in mm Hg at 4384°C, if its heat of vaporization is 781.0 kJ/mol? 
chemistry
I have to calculate the vapor pressure of water at 25.0 degrees celicus. The heat of vaporization of water is 40.65 kj/mol and the vapor pressure of water is 92.7 Torr at 50 degrees celcius. I know I should use log10 P=A B/C+T but …