Questions LLC
Login
or
Sign Up
Ask a New Question
Physical Chemistry
Page 6
Questions (634)
In the accompanying chart are appropriate vapor pressures for benzene and toluene at various temperatures:
Temp (C) mmHg Temp (C)
2 answers
asked by
Aishwarya
606 views
Explain the importance of solubility to
dissolution.
1 answer
asked by
john
388 views
the freezing point of blood serum is about -0.56 deg C. What is the osmotic pressure at 37 deg C?
3 answers
asked by
Caselyn
615 views
A solution is prepared by dissolving 56.5g of ethylene glycol in 874 g of water. Calculate the change in the boiling point and
2 answers
asked by
Holly
482 views
When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius.
-How many moles of dry air were in
1 answer
asked by
Abbey
445 views
When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius.
-How many moles of dry air were in
1 answer
asked by
Abbey
902 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
415 views
This question is about a lab called Heats of Ionic Reaction in my Physical Chemistry class. I need to know why there should be a
1 answer
asked by
shelby
376 views
Why is graphite more stable than diamond at 25˚C and 1 atm?
1 answer
asked by
Anonymous
300 views
Explain the physical significance of van der waals,parameters ?
2 answers
asked by
shshi ranjan
595 views
The ΔG¡' of the reaction is -5.31 kJ ámolÐ1. Calculate the equilibrium constant for the reaction. (Assume a temperature of
1 answer
asked by
stoic-rider77
376 views
The vapor pressure of diethyl ether C2H5OC2H5 is greater than the vapor pressure of ethyl alcohol, C2H5OH at any temperature.
2 answers
asked by
Anonymous
840 views
An aqueous solution containing 34.6 g of an unknown molecular nonelectrolyte compound in 142.0 g of water was found to have a
1 answer
asked by
Amy
789 views
The density of the vapor of a compound at 95 degrees C and 827 mmhg is 7.41 grams/liter. Calculate the molecular weight.
1 answer
asked by
nad
374 views
what is the molar refraction of glycren
1 answer
asked by
kovan
224 views
How intermolecular forces is responsible for the phases of matter?
1 answer
asked by
chenchen
380 views
WHY NO2 IN VAPOUR STATE IS COOURED AND PARAMAGNETIC, BUT THE SAME COLOURLESS AND DIAMAGNETIC IN THE SOLID STATE
1 answer
asked by
KIULA PETER
393 views
Melting Point Determinations between urea and trans-cinnamic acid. Q. If urea were a significant base, specifically how would
1 answer
asked by
Zach
670 views
What is the expected observed rotation of a 9.1 x 10-5 M solution of compound X? Note: compound X has a specific rotation of
1 answer
asked by
cn
461 views
what's the vapor pressure of naphthalene in the 50 degree centigrade?
1 answer
asked by
soodabe
443 views
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C.
1 answer
asked by
BB
1,340 views
boiling water
physical or chemical
3 answers
asked anonymously
14 views
The vapor pressure of mercury at 77¢K is 0.0018 mmHg. The atomic weight of mercury is 200.6 g/mole. If the mercury vapor were
2 answers
asked by
steve
558 views
what happens to the osmotic pressure with increasing solute concentration
1 answer
asked by
darlene
352 views
Can someone please explain to me in simple terms what the eutectic point and temperature are?
1 answer
asked by
laura
447 views
what is the freezing point depression when 153g of bromide is added to 1000g of benzene?
3 answers
asked by
melanie
496 views
Why is the normal boiling point of hydrogen chloride so much lower than that of hydrogen fluoride?
Question 23 options: a) HCl
3 answers
asked anonymously
42 views
How to determine which of the compounds will have the lowest boiling point vs the highest boiling point?
6 answers
asked by
Sarah (C)
1,022 views
The molar heat of vaporization of benzene is 31kj/mol. Calculate the entropy change for the liquid vapor equilibrium. At 1 atm
1 answer
asked by
Tiffany
624 views
100 grams of KNO3 is dissolved in one liter of water. Calculate the freezing point depression and boiling point elevation.
2 answers
asked by
Michelle
557 views
vapor pressure is 50.0 has a 17.0 torr 36.1g unknown elect. density 1.05g/ml, vapor pressur h20 50c=92.5 torr find what the
1 answer
asked by
jeanette
387 views
Calculate the predicted viscosity of molecular oxygen, nitrogen and methane at 20°C
and standard atmospheric pressure (give your
1 answer
asked by
Loshini
587 views
one litre of liquid methanol will occupy how much volume in the state of vapour at 60 deg. Celsius?
1 answer
asked by
selvi
387 views
If 22 grams of water are saturated at 75 degrees celsius with potassium nitrate and then cooled to 40 degrees celsius, how much
1 answer
asked by
chris
1,079 views
write note on gas in metal,vapour pressure
1 answer
asked by
raffy
294 views
IF VAPOUR PRESSURE OF SOLUTION IS 7 THEN WHAT WOULD BE ITS ph?
1 answer
asked by
TABISH
375 views
Freezing-point depression can be used to determine the molecular mass of a compound. Suppose that 1.28 g of an unknown molecule
2 answers
asked by
Rukky
559 views
Freezing-point depression can be used to determine the molecular mass of a compound. Suppose that 1.28 g of an unknown molecule
1 answer
asked by
Rukky
964 views
The freezing point of a sample of abnormal blood was found to be -0.402 degree celsius. Estimate its osmotic pressure at 37
1 answer
asked by
yogita n sarki
477 views
They are reversible.
They are reversible. They include shifts in the phase of matter. They include shifts in the phase of matter.
3 answers
asked anonymously
17 views
what is the highest freezing point of H2O, NaCl, and HF
1 answer
asked by
Anonymous
967 views
How can you figure out the melting point of a molecule such as CF4, KF, MgO, or CH3CN.
2 answers
asked by
Jacqueline
459 views
Write a chemical equation to express the fact that, at 0 °C, ice melts by absorbing 334 J of heat per gram of ice.
2 answers
asked by
Brittney
506 views
Pure water in contact with air has a higher conductivity than the same water that has had nitrogen gas bubbled through it. Why?
1 answer
asked by
sara
421 views
the vapour pressure of pure water at 110 degrees is 142.7kpa. a solution of ethylene glycol and water has a vapour pressure of
4 answers
asked by
lucylu
992 views
The vapor pressure of pure water at 25 °C is 23.8 torr. Determine the vapor pressure (torr) of water
at 25 °C above a solution
2 answers
asked by
BEN
908 views
the freezing point of ethanol (C2H5OH) is -114.6C. the molal freezing point depression constant for ethanol is 2.00C/m. what is
1 answer
asked by
lisa
787 views
What is the boiling point (in degrees Celsius ) of each of the solutions below? For water, Kb = 0.51 (Degrees C * kg)/mol The
1 answer
asked by
Sar
858 views
Calculate the molecular mass of the nonionic solutes: 64.3 g of solute in 390 g of water raises the boiling point to 100.680
2 answers
asked by
Chum
1,085 views
The rate constant nearly doubles for some reaction when there is an increase in temperaure from 17 degree celsius to 32 degree
3 answers
asked by
Tim
350 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (3)
Chemistry
Science
Science/Chemistry