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Physical Chemistry
Page 8
Questions (634)
what does a large partition coefficient mean?
7 answers
asked anonymously
17 views
is the more dense compound more polar?
1 answer
asked anonymously
14 views
Compute the boiling point of this solution:
1.00*10^2g C10H8O6S2 (1,5-naphthalenedisulfonic acid) in 1.00*10^2g H2O (nonionizing
4 answers
asked by
Jose Reyes
1,425 views
Construct a Born Haber cycle for the formation of calcium oxide showing clearly using equations, the steps of the enthalpy
3 answers
asked by
Demario
1,383 views
How does the molecular wight of the gas affect the k-value?
4 answers
asked by
Alice
1,333 views
Use Henry's law to determine the molar solubility of helium at a pressure of 1.5 atm and 25deg C.
2 answers
asked by
Anonymous
1,288 views
Compute the freezing point of this Solution:
25.5g C7H11NO7S (4-nitro-2-toluenesulfonoic acid dihydrate) in 1.00*10^2g H2O
5 answers
asked by
Jose Reyes
1,281 views
Given that the initial rate constant is 0.0190s^-1 at an initial temperature of 20 degrees Celsius, what would the rate constant
4 answers
asked by
Tasnim
1,270 views
How does the osmotic pressure of an aqueous solution change as evaporation occurs?
2 answers
asked by
Ginger
1,259 views
40.0 g of magnesium chloride (MgCl2) in 250.0 g of water at 22 °C.Calculate a) the vapor pressure of this solution, b) the
7 answers
asked by
Jasmine
1,250 views
When 100.0 g of an unknown nonelectrolyte is dissolved in 500.0 g of benzene, C6H6, the solution boils at 82.9°C. Calculate the
2 answers
asked by
ramire2
1,235 views
solubility of NaCl in water at 298K is 35.8 kg per 100 kg of water calculate mass fraction of NaCl?
3 answers
asked by
bikram
1,221 views
10.0 g sample of p-dichlorobenzene, a component of mothballs, is
dissolved in 80.0 g of benzene, C6H6. The freezing-point of the
3 answers
asked by
Jim_R
1,238 views
What is the total vapor pressure4 at 20° C of a liquid solution containing 0.30 mole fraction benzene, C6H6, and 0.70 mole
3 answers
asked by
Tim
1,220 views
Calculate the vapor pressure of a solution of 0.48 mol of cholesterol in 6.0 mol of toluene at 32°C. Pure toluene has a vapor
2 answers
asked by
Stevi
1,205 views
What is the solubility of silver carbonate (Ag2CO3) in pure water
2 answers
asked by
brittany
1,176 views
The solubility of nitrogen gas in water at 25 °C and 1 atm is
6.8!10"4 mol/L. If the partial pressure of nitrogen gas in air
2 answers
asked by
Anonymous
1,173 views
lowest+freezing+point+of+Kbr+AlNO33+CH3COONa+NaNO2+MgCl2+of+same+molality
2 answers
asked by
deepak
1,162 views
WHATS IS THE DENSITY OF ETHYLENE GLYCOL IF YOU HAVE A 50ML SAMPLE OF ETHYLENE GLYCOL WITH A MASS OFF 55.505G
1 answer
asked by
DENISA
1,146 views
The boiling point of another member of this homologous series was found to be 309 K. What is the likely molecular formula for
2 answers
asked by
Anonymous
1,145 views
Calculate the molar mass of a compound if 15.0 g dissolved in 70 g of ethanol
(kb = 1.22 oC/m) caused the boiling point of
1 answer
asked anonymously
52 views
calculate the freezing point of 12.0g FeCl3 in 142g water...
2 answers
asked by
globamabob
1,117 views
Calculate the density of oxygen, , under each of the following conditions:
STP 1.00atm and 25.0 degrees celsius Express your
4 answers
asked by
Kara
1,118 views
The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for the
3 answers
asked by
Ashley
1,117 views
A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point
1 answer
asked by
george
1,096 views
How do I find the total vapor pressure of a solution of benzene (mole fraction 0.350, vapor pressure at 25 degrees = 12.7 kPa)
2 answers
asked by
Jaden
1,086 views
The normal boiling point of methanol is 64.7oC. A solution containing a nonvolatile solute dissolved in methanol has a vapor
4 answers
asked by
rose
1,084 views
Explain why methanol spontaneously evaporates in open air at 25.0 .
I know that a negative delta G means a spontanious reaction,
1 answer
asked by
redgy
1,043 views
at 40 degree C , the vapour pressure of water is 55.3 mm of hg. calculate the vapour pressure at same temp. of 10%aques solution
3 answers
asked by
niki
1,083 views
The main component of nail polish remover is acetone, which has ∆Hvap= +31.3 kJ/mol. How many kJ of energy will be exchanged
3 answers
asked by
anonymous
1,065 views
Explain what happens when you add sodium chloride to boiling water.
I know that when sodium chloride is added to water, the
1 answer
asked by
Mercedes
1,073 views
In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease except
a) the
3 answers
asked by
jimmy
1,046 views
What is the osmotic pressure of a solution prepared by dissolving 5.80 g of CaCl2 in enough water to make 450. mL of solution at
3 answers
asked by
kale
1,059 views
what determines whether a mixture is a suspension, or a colloid?
2 answers
asked by
sam
1,046 views
The boiling point of diethyl ether, CH3CH2OCH2CH3, is 34.500 °C at 1 atmosphere. Kb(diethyl ether) = 2.02 °C/m
In a laboratory
2 answers
asked by
JC
1,057 views
The osmotic pressure of solution containing 4 g of the solute per litre of the solution is 0.41 atm at 27. What is the molecular
5 answers
asked by
Evans
1,041 views
What is the boiling point of a solution of 0.150g of glycerol in 20g of water? What is the freezing point?
1 answer
asked by
Absa
1,003 views
Calculate the molecular mass of the nonionic solutes.
8.02 grams of solute in 861 grams of water lower the freezing point to
3 answers
asked by
Jose Reyes
1,024 views
This is a lab question...I don't understand how to do it.
A solution consisting of isobutyl bromide and isobutyl chloride is
3 answers
asked by
Kay
1,002 views
Briefly explain crystallization
1 answer
asked by
Oluwademilade
31 views
Explain crystallization
1 answer
asked by
Oluwademilade
16 views
Briefly explain: crystallization
1 answer
asked by
Oluwademilade
29 views
The vapor pressure of diethyl ether is 463.57 mm Hg at 25 degrees celsius. How many grams of aspirin C9H8O4, a non volatile
3 answers
asked by
Hannah
998 views
what are the limitations of depression of freezing point
2 answers
asked by
ruth
968 views
What is the amount of work produced when 1.0 g of H2O (l) is boiled at atmospheric pressure? Assume the liquid has no volume.
2 answers
asked by
Karen
965 views
What happens when you have a mixture of CO2 hydrate and methane hydrate when the temperature is 2.5 C and the pressure is 2 MPa.
1 answer
asked by
Wale
970 views
The vapor pressure of chloroform is 173.11 mm Hg at 25 degrees celsius. A nonvolatile, nonelectrolyte that dissolves in
2 answers
asked by
Hannah
958 views
After you preform your experiment, you determine that the Kf value for naphthalene is 6.9 . You are using 10g of naphthalene and
2 answers
asked by
hannah
969 views
Explain how the addition of a solute affects the vapor pressure of the solvent.
3 answers
asked by
kendra
959 views
The boiling point elevationof an aqueous sucrose solution is found to be 0.39 degrees Celsius. What mass of sucrose (molar
3 answers
asked by
Sharon
954 views
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Parent Categories (3)
Chemistry
Science
Science/Chemistry