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Recent questions in Chemistry
The vapor pressure of pure benzene is 639.7 mm, and the vapor pressure of a solution of a non-volatile solute in benzene is 637.9 mm. Calculate the mole fractions and molarity of the solution. a.True b.
Elzwhere
asked
Oct 2, 2024
by
Elzwhere
7.8k
points
Chemistry
high-school
1
answer
5
votes
159k
views
To balance the equation, what coefficient should be placed in front of the Ag? Ag has Agas H2. Options: a) 1 b) 2 c) 3 d) 4
James McCalden
asked
Oct 2, 2024
by
James McCalden
8.6k
points
Chemistry
high-school
1
answer
2
votes
191k
views
An isotope remains unchanged by the emission of a gamma ray, which is a(n) __________.
Marquis
asked
Oct 2, 2024
by
Marquis
8.0k
points
Chemistry
high-school
1
answer
3
votes
77.7k
views
In a bomb calorimeter, the reaction occurs at a constant volume, hence we say that the heat absorbed by the water in the surroundings is equal to the change in internal energy for the reaction. But, problems
Andreas Kahler
asked
Oct 2, 2024
by
Andreas Kahler
8.9k
points
Chemistry
high-school
1
answer
0
votes
680
views
Calculate the missing variable: M1 =0.5, MV1=?,M2 =1.2, MV2 =3L. A. 0.6 L B. 1.5 L C. 2.4 L D. 6 L
Zglin
asked
Oct 2, 2024
by
Zglin
8.1k
points
Chemistry
high-school
1
answer
5
votes
40.3k
views
What type(s) of intermolecular forces are present for CH₃CH₂CH₂OH ? (hint: the C-O and O-H bonds are polar) a. London Dispersion, hydrogen bonding b. London Dispersion c. London Dispersion, dipole-dipole,
Makmour
asked
Oct 2, 2024
by
Makmour
7.7k
points
Chemistry
high-school
1
answer
1
vote
202k
views
In NH3+H2O > NH4OH which is being oxidized and which is being reduced?
Esin
asked
Oct 2, 2024
by
Esin
8.2k
points
Chemistry
college
1
answer
0
votes
147k
views
If a 2.3 L reaction vessel initially contains 721 torr of cyclopropane at 485 °C, how long in minutes will it take for the partial pressure of cyclopropane to drop to below 104 torr? a. 22 minutes b. 32
Michal Charemza
asked
Oct 2, 2024
by
Michal Charemza
7.6k
points
Chemistry
high-school
1
answer
0
votes
68.9k
views
What happens if you test local pond water and has a ph of 7.9?
Frank Hoffman
asked
Oct 2, 2024
by
Frank Hoffman
8.5k
points
Chemistry
high-school
1
answer
5
votes
204k
views
Which of the following statements would likely be found in the procedure for preparing pears poached in wine? a. "Add salt to enhance sweetness." b. "Allow pears to marinate in soy sauce overnight." c.
Quack
asked
Oct 2, 2024
by
Quack
8.7k
points
Chemistry
high-school
1
answer
4
votes
38.8k
views
Which molecules are bound to hemoglobin when hemoglobin is in the r state? a. CO2 b. ,3-bisphosphoglycerate c. Fe2+ d. oxygen e. Fe3+
Dennis Sakva
asked
Oct 2, 2024
by
Dennis Sakva
7.4k
points
Chemistry
high-school
1
answer
5
votes
110k
views
Chemical That Affects Neural Signaling Without Directly Changing the Resting Potential A) Ionotropic Agonist B) Neurotransmitter Inhibitor C) Voltage-Gated Modulator D) Synaptic Potentiation Agent
Mandrake
asked
Oct 2, 2024
by
Mandrake
7.8k
points
Chemistry
high-school
1
answer
1
vote
73.4k
views
What do covalent bond and organic compound have in common?
IYoung
asked
Oct 2, 2024
by
IYoung
7.6k
points
Chemistry
high-school
1
answer
5
votes
124k
views
calculate the mass of silver needed to react with chlorine to produce 84g of silver chloride balanced equation
Yoel
asked
Oct 2, 2024
by
Yoel
8.1k
points
Chemistry
high-school
1
answer
5
votes
10.4k
views
Which is not a result of acid rain?
LightDye
asked
Oct 2, 2024
by
LightDye
7.9k
points
Chemistry
high-school
2
answers
3
votes
108k
views
A student is using a calorimeter to determine the specific heat of a metallic sample. She measures out 122.2 grams of her metal and heats it to 95.0 degrees Celsius. Then, she puts the sample into a calorimeter
Pbnelson
asked
Oct 2, 2024
by
Pbnelson
8.1k
points
Chemistry
high-school
1
answer
1
vote
123k
views
A nucleus is 1.0 x10-15 m of radius, an atom is 1.0 x 10-10 m of radius.calculate how much bigger an atom is than the nucleus
Relativity
asked
Oct 2, 2024
by
Relativity
7.8k
points
Chemistry
high-school
1
answer
4
votes
146k
views
If chlorine gas occupies a volume of 1.50 L at a pressure of 620.8 torr, what volume will it occupy at a pressure of 760.0 atm?
Kris Larson
asked
Oct 2, 2024
by
Kris Larson
8.6k
points
Chemistry
high-school
1
answer
2
votes
203k
views
Most elements on the periodic table are located on the left side of the stair step. What kind of material are these elements?
Sam Komo
asked
Oct 2, 2024
by
Sam Komo
7.4k
points
Chemistry
high-school
1
answer
4
votes
183k
views
What did the Constitutional Convention decide to do about the slave trade?(1 point) Responses It expanded it. It expanded it. It restricted it to slave states. It restricted it to slave states. It banned
Rathi J
asked
Oct 2, 2024
by
Rathi J
8.7k
points
Chemistry
college
1
answer
5
votes
60.6k
views
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