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Recent questions in Chemistry
How many atoms are in 6.00 g of carbon-12?
Sari Rahal
asked
Oct 13, 2024
by
Sari Rahal
8.6k
points
Chemistry
college
1
answer
4
votes
129k
views
What is the density of 500 G of juice that is 225 mL in volume
Dodge
asked
Oct 13, 2024
by
Dodge
7.9k
points
Chemistry
college
1
answer
4
votes
146k
views
What is the pKb value of quinoline? 1) 9.15 2) 7.85 3) 10.25 4) 8.75
John Mossel
asked
Oct 13, 2024
by
John Mossel
7.6k
points
Chemistry
high-school
1
answer
5
votes
173k
views
1- According to the modern atomic theory, a) The electron cannot be found in the same place 2 successive times b) The electrons necd to absorb energy photons continuously to move to higher levels. The
Jszpilewski
asked
Oct 13, 2024
by
Jszpilewski
7.7k
points
Chemistry
college
1
answer
2
votes
87.7k
views
Ethylene, C₂H₄, reacts with water at high temperatures to produce ethanol, CH₃CH₂OH, how many grams of water are needed to react with 10.0 g of ethylene? C₂H₄(g) + H₂O(g) / CH₃CH₂OH(l)
Matzahboy
asked
Oct 13, 2024
by
Matzahboy
8.1k
points
Chemistry
high-school
1
answer
1
vote
170k
views
Drag and drop the names of the subatomic particles to accurately label the model of the atom. neutron electron proton
Joshua Augustinus
asked
Oct 13, 2024
by
Joshua Augustinus
8.1k
points
Chemistry
middle-school
2
answers
5
votes
121k
views
It is possible to synthesize a chemical compound that is also extracted from natural sources. True False
Tyler Gannon
asked
Oct 13, 2024
by
Tyler Gannon
7.6k
points
Chemistry
college
1
answer
2
votes
123k
views
When handling material such as disinfected, it is important to do all of the following except? 1) Wear gloves 2) Use proper ventilation 3) Follow proper disposal procedures 4) Avoid direct contact with
Maxim Kholyavkin
asked
Oct 13, 2024
by
Maxim Kholyavkin
8.1k
points
Chemistry
high-school
1
answer
3
votes
59.9k
views
The C-terminus of a polypeptide always contains? 1) a carboxyl group 2) a stop codon 3) carbon dioxide 4) an amino group 5) None of the answers are correct
Cyroxis
asked
Oct 13, 2024
by
Cyroxis
8.8k
points
Chemistry
high-school
1
answer
4
votes
165k
views
Assertion (A): Carbon monoxide is extremely poisonous in nature. Reason (R): Carbon monoxide is formed by complete combustion of carbon. I) Both A and R are true and R is correct explanation of the assertion.
Adamarla
asked
Oct 13, 2024
by
Adamarla
8.6k
points
Chemistry
high-school
1
answer
1
vote
40.6k
views
To write the electron configuration of lead (Pb) in noble gas notation, replace a. [Kr] 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ b. [Xe] 6s² 4f¹⁴ 5d¹⁰ c. [Ne] 3s² 3p⁶ 4s² 3d¹⁰ d. [Ar] 4s² 3d¹⁰ 4p⁶ 4d¹⁰ 5s² 4f¹⁴ 5d¹⁰
Grandrew
asked
Oct 13, 2024
by
Grandrew
8.2k
points
Chemistry
high-school
1
answer
4
votes
129k
views
You submerge 100 grams of steel in 200 grams of water. If the steel has an initial temperature of 90°C and the water has an initial temperature of 15°C, what is the final temperature of the system? The
Alec Mev
asked
Oct 13, 2024
by
Alec Mev
8.8k
points
Chemistry
college
1
answer
3
votes
59.0k
views
PI3Br₂ is a nonpolar molecule. Based on this information, determine the I−P−I bond angle, the Br−P−Br bond angle, and the I−P−Br bond angle. Enter the number of degrees of the I−P−I, Br−P−Br, and I−P−Br
Bulu
asked
Oct 13, 2024
by
Bulu
8.3k
points
Chemistry
high-school
1
answer
5
votes
220k
views
How do we quantify pollutants?
Dnice
asked
Oct 13, 2024
by
Dnice
8.2k
points
Chemistry
high-school
1
answer
2
votes
65.3k
views
If a protein contains 200 peptide bonds, how many molecules of water would be required to break it down into its amino acids?
BishopZ
asked
Oct 13, 2024
by
BishopZ
8.7k
points
Chemistry
high-school
1
answer
2
votes
112k
views
Iron(II) sulfide reacts with hydrochloric acid according to the reaction FeS(s) + 2HCl(aq) → FeCl₂(aq) + H₂S(g). A reaction mixture initially contains 0.232 mol FeS and 0.630 mol HCl.
Keith Payne
asked
Oct 13, 2024
by
Keith Payne
7.9k
points
Chemistry
high-school
1
answer
0
votes
219k
views
What olefin metathesis products result when 1-hexene is treated with Grubbs catalyst? What provides the thermodynamic driving force for this reaction?
JAYBEkster
asked
Oct 13, 2024
by
JAYBEkster
8.1k
points
Chemistry
high-school
1
answer
3
votes
122k
views
Two ways can scientists exhibit ethical behavior?
FourOfAKind
asked
Oct 13, 2024
by
FourOfAKind
8.2k
points
Chemistry
high-school
1
answer
4
votes
80.0k
views
Select all of the factors that affect the rate of a chemical reaction. A. Amount of enzyme B. Substrate concentration C. pH of the reaction environment D. Temperature of the reaction environment E. Amount
Brian F Leighty
asked
Oct 13, 2024
by
Brian F Leighty
8.4k
points
Chemistry
high-school
1
answer
3
votes
174k
views
How many moles of Na₂S₂O₃ are needed to react with 0.4 moles of Cl₂? a. 0.2 moles b. 0.4 moles c. 0.8 moles d. 1.0 moles
Mithu
asked
Oct 13, 2024
by
Mithu
8.3k
points
Chemistry
high-school
1
answer
0
votes
15.1k
views
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