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Recent questions in Chemistry
How does ocean acidification affect phytoplankton and why is this important?
EvilOrange
asked
Oct 13, 2024
by
EvilOrange
8.2k
points
Chemistry
high-school
1
answer
1
vote
162k
views
For Mg(2+), if the mass number is 24, the number of neutrons will be 2? A) It has 22 neutrons. B) It has 24 neutrons. C) It has 26 neutrons. D) It has 2 neutrons.
Karansys
asked
Oct 13, 2024
by
Karansys
8.0k
points
Chemistry
high-school
1
answer
4
votes
211k
views
What is the compound that constitutes about one quarter of the volume of portland cement and is responsible for the aging or long term gain in strength of the cement?
Include
asked
Oct 13, 2024
by
Include
8.2k
points
Chemistry
high-school
1
answer
4
votes
109k
views
HNO3+S->H2SO4+NO. Determine how many electrons are involved in each half-reaction. How many electrons should be assigned to which side of this half-reaction equation?
James Harrison
asked
Oct 13, 2024
by
James Harrison
7.6k
points
Chemistry
high-school
1
answer
5
votes
139k
views
Condensed (noble-gas) electron configuration of fe²⁺
Miemengniao
asked
Oct 13, 2024
by
Miemengniao
7.0k
points
Chemistry
high-school
1
answer
1
vote
132k
views
a particular 5.80g sample of a gas occupies 0.575l at 985 torr and 30 c. what is the molar mass of the gas?
Tyler Chong
asked
Oct 13, 2024
by
Tyler Chong
7.3k
points
Chemistry
high-school
1
answer
5
votes
2.2k
views
Q. You become a food chemist in the future, working for the Monsanto group's transgenic wheat division. You are preparing some tests on your wheat samples when called away suddenly for a meeting. You let
Pellul
asked
Oct 13, 2024
by
Pellul
8.8k
points
Chemistry
college
1
answer
4
votes
56.6k
views
What is the formula mass of S²Cl². also mention method of solving.
Theninjagreg
asked
Oct 13, 2024
by
Theninjagreg
7.8k
points
Chemistry
high-school
1
answer
5
votes
213k
views
If lead has an average atomic mass of 207.2 and it has 3 isotopes with masses of 205.97, 206.98, 207.98, the last of which has a percent abundance of 69.4%, how would you set up the problem?
Ndrizza
asked
Oct 13, 2024
by
Ndrizza
8.0k
points
Chemistry
high-school
1
answer
0
votes
71.7k
views
Why don't covalent bonds result in the atoms involved in the bond being charged? Let's take the Chlorine/Cl2 molecule as an example. So each Chlorine atom in the Cl2 molecule has 7 valence electrons. Each
Dmgig
asked
Oct 13, 2024
by
Dmgig
8.1k
points
Chemistry
high-school
1
answer
4
votes
226k
views
Provide the chair conformation of cyclohexanol with the hydroxyl group in the equatorial position.
Karlis
asked
Oct 13, 2024
by
Karlis
7.4k
points
Chemistry
high-school
1
answer
2
votes
60.0k
views
Explain the color change observed when o-vanillin and p-toluidine react together?
Pavel Kovalev
asked
Oct 13, 2024
by
Pavel Kovalev
7.2k
points
Chemistry
high-school
1
answer
3
votes
208k
views
Acetic acid, CH₃CO₂H, can form a dimer, (CH₃CO₂H)₂, in the gas phase. a) Monomer only b) Dimer only c) Both monomer and dimer coexist d) Trimer formation
Halostack
asked
Oct 13, 2024
by
Halostack
8.8k
points
Chemistry
high-school
1
answer
1
vote
91.8k
views
What is the term used to describe when an enzyme has been distorted so that it no longer has the correct active site shape?
Candiru
asked
Oct 13, 2024
by
Candiru
7.4k
points
Chemistry
high-school
1
answer
5
votes
232k
views
A sample of N2 gas was placed in a flexible 9.0L container at 300K and 1.5 atm pressure. After compressing the container to 3.0L and increasing the temperature to 600K, what is the new pressure inside
Topgun
asked
Oct 13, 2024
by
Topgun
7.9k
points
Chemistry
high-school
1
answer
0
votes
11.4k
views
What is the mass of 2K remaining in a 16-gram sample of 2K after 37.2 hours? A) 1.0 g B) 2.0 g C) 4.0 g D) 8.0 g
Adam Ocsvari
asked
Oct 13, 2024
by
Adam Ocsvari
8.4k
points
Chemistry
high-school
1
answer
2
votes
118k
views
For this investigative phenomenon, you will need to determine the composition of the new star using a spectrometer. This will help scientists determine the star's approximate age. You will complete Part
PorridgeBear
asked
Oct 13, 2024
by
PorridgeBear
7.6k
points
Chemistry
high-school
1
answer
0
votes
188k
views
A substance that undergoes a CHEMICAL change is still the same substance after the change? 1) True 2) False
Duc Filan
asked
Oct 13, 2024
by
Duc Filan
7.3k
points
Chemistry
high-school
1
answer
5
votes
124k
views
Is it true or false that Shield volcanoes have gentle, long-term eruptions.\
Joncham
asked
Oct 13, 2024
by
Joncham
8.3k
points
Chemistry
college
1
answer
0
votes
154k
views
Each orbital designation has a superscript number that gives the number of in that orbital sublevel.
Mostafa Mohsen
asked
Oct 13, 2024
by
Mostafa Mohsen
7.9k
points
Chemistry
college
1
answer
3
votes
77.6k
views
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