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Physical Chemistry
Page 7
Questions (634)
Please help me in any way to relate the concepts of how heat, solutions,equillibrium, nuclear and organic chemistry are
1 answer
asked by
Christine
333 views
Calculate the mass in grams of 2.74L of CO gas at 33 degrees celcius and 126.0 kPa
I got 3.75 grams Is this right please Thanks
3 answers
asked by
Andy
550 views
Does Vapor Pressure decrease as intermolecular forces increase???
4 answers
asked by
James
801 views
Find the molecular mass of a solute by freezing point depression. Solvent: para-dichlorobenzene Freezing point of pure solvent:
4 answers
asked by
anonymous
1,417 views
Find the molecular mass of a solute by freezing point depression.
1 answer
asked by
anonymous
442 views
sorry i forgot add the question
The freezing point of a solution is A. lower than the freezing point of the solvent alone because
2 answers
asked by
phys
542 views
A solution contains 20g of C^6H^12O^6 in 250g of water. What is the freezing-point depression of the solvent? What is the
2 answers
asked by
Veronica
601 views
A sample of a volatile liquid is vaporized completely in a 240 ml falsh at 99 c and 757 torr. The vapor is then allowed to
2 answers
asked by
Courtney Venable
673 views
density and viscosity of a salicyclic acid solution
1 answer
asked by
arp
346 views
would a structure containing a cation have a smaller Rf value?
5 answers
asked anonymously
13 views
Why is boiling-point elevation a colligative property?
a.It does not depend on the concentration of particles. b. is inversely
6 answers
asked by
tim
555 views
In my physical chemistry book, I'm reading about "Margules Equations":
ln γ<sub>A</sub> = Βx<sub>B</sub><sup>2</sup> ln
1 answer
asked by
Sean
485 views
You add 2g of sugar into 23mL of water. Estimate the boiling point.
I would say its above 100 since waters boiling point is 100.
2 answers
asked by
Chopsticks
729 views
If 60 g water is evaporated from the solution at the same time as the temperature is reduced from 25.0 to 0.0 degree celsius,
6 answers
asked by
Erin
445 views
Calculate the freezing point of a solution containing 12.2grams of benzoic acid, C6H5CO2H, dissolved in 250 grams of
3 answers
asked by
Joshua help please
637 views
explain how the rate of crystal growth can affect the purity of a recrystallized compound
2 answers
asked by
David
565 views
Explain why if you leave a glass of cold tap water on the counter on a warm day bubbles will appear along the interior of the
1 answer
asked by
Billy
461 views
What is the vapor pressure at 23 degrees C of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor
2 answers
asked by
Ken
1,072 views
does the color of water effect its evaporation?
4 answers
asked by
vahnna
415 views
How does the crystallization process occur??
1 answer
asked by
Amanda
446 views
I worked this problem, I would like to know if I did it correctly, I think I missed something, I'm not sure.....
When a 20.0 gram
3 answers
asked by
manny
1,168 views
A journal article (J. Phys. Chem. (1956), 60 (6), 826) is posted, and contains a boiling
point composition diagram for n-butyl
1 answer
asked anonymously
54 views
How will the osmotic pressure of an aqueous solution change as evaporation occurs?
does it even change? or does it increase?
1 answer
asked by
sam
501 views
Vapor pressure is the pressure exerted by a vapor when condensation (<,>, or =) evaporation over its liquid in a closed system
=
1 answer
asked by
yayhawknelson
534 views
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00 cm,
1 answer
asked by
sara
572 views
I am posting a link to the jpeg file of the physical chemistry homework i need help with, because everytime I try typing it out,
1 answer
asked by
Angela
464 views
A Maxwell-Boltzmann distribution shows
a) The potential energy of the reactants and products b) The enthalpy change of a reaction
4 answers
asked anonymously
51 views
Factors affecting solubility
1 answer
asked by
Kelvin
44 views
How would you determine vapour pressure of liquid components
1 answer
asked by
Kelvin
25 views
as laboratory chemistry scientists what kind of physical chemistry questions you may ask to the students
1 answer
asked by
Kelvin
47 views
Assuming equal concentrations and complete dissociation, rank these aqueous solutions by their freezing points: Li2SO4 K3PO4
4 answers
asked by
Dustin
3,585 views
Vapor pressure and partial pressure
1 answer
asked by
Kelvin
19 views
The vapor pressure of water is 23.8 torr. at 25 degrees C. Determine the mass of glucose (molar mass 180g/mol) needed to add to
4 answers
asked by
Lucho
2,546 views
What is the freezing point of a solution that contains 10.0 g of glucose (C6H12O6) in 100 g of H2O? Kf for water is 1.86oC/m
3 answers
asked by
Sam
2,535 views
Calculate the density (g/L) of 478 mL of krypton at 47 degrees C and 671 mmHg.
I wasn't sure about this one but I got: density =
5 answers
asked by
Anonymous
2,422 views
Colligative Properties
The freezing point of distilled water was determined by recording a thermogram: -0.176 degrees Celsius.
4 answers
asked by
Sam
2,097 views
Equilibrium is established between Br2(l) and Br2(g) at 25.0*C. A 250.0 mL sample of the vapor weights 0.486g. What is the vapor
4 answers
asked by
Yvette
2,008 views
A solution containing 0.750g of an unknown substance in 30.0g of cyclohexane was found to freeze at 3.1 degree Celsius. What is
4 answers
asked by
Princess
1,913 views
explain why the pure solvent shows a level horizontal curve as solidification occurs, but the curve for the solution slopes
4 answers
asked by
Unsure
1,864 views
I need help ASAP!
Colligative Properties- Ethylene glycol (C2H6O2) is the principal ingredient in antifreeze. How many grams of
3 answers
asked by
Kelsey
1,817 views
How does the saturation of a solution affect crystal formation?
3 answers
asked by
PLEASE help
1,692 views
To increase the solubility of a gas at constant temperature from 1.20 g/L at 1.4 atm to 2.3 g/L what would the pressure have to
5 answers
asked by
Tiffany
1,632 views
What is the solubility of benzoic acid in room temperature water. Report this in grams/L.
4 answers
asked by
Cassie
1,569 views
The vapor pressure of ethanol is 54.68 mm Hg at 25oC.
How many grams of chlorophyll , C55H72MgN4O5, a nonvolatile, nonelectrolyte
3 answers
asked by
jojo
1,532 views
What is the freezing point of a solution of 1.17g of 1-naphthol, C10H8O, dissolved in 2.00ml of benzene at 20 degrees C? The
3 answers
asked by
Jake
1,613 views
Colligative Properties
The freezing point of distilled water was determined by recording a thermogram: -0.176. The freezing point
3 answers
asked by
Sam
1,505 views
Suppose a compound Z had a partition coefficient of 8.0 in ether-water. If 10.0 g of Z was dissolved in 100 mL of water, and if
4 answers
asked by
sara
1,542 views
"Like dissolve like" what does it means
1 answer
asked by
Kelvin
23 views
Is c2- diamagnetic or paramagnetic
1 answer
asked by
Nadia
31 views
Why is water able to easily dissolve ionic compounds
1 answer
asked anonymously
63 views
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Parent Categories (3)
Chemistry
Science
Science/Chemistry