menu
QAmmunity.org
Recent questions in Chemistry
Login
Register
My account
Edit my Profile
Private messages
My favorites
Recent questions in Chemistry
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Recent questions in Chemistry
Calculate the pH,pOH of 0.001 m solution of HCL??
Kwart
asked
Oct 4, 2024
by
Kwart
8.7k
points
Chemistry
high-school
1
answer
1
vote
103k
views
What are two differences between intrusive and extrusive igneous rocks?
Tadeusz
asked
Oct 4, 2024
by
Tadeusz
7.9k
points
Chemistry
college
1
answer
4
votes
139k
views
What factor most affects the amount of dissolved oxygen in tank water? a) Temperature b) pH level c) Sunlight exposure d) Fish species
Kedar Paranjape
asked
Oct 4, 2024
by
Kedar Paranjape
9.3k
points
Chemistry
high-school
1
answer
1
vote
49.7k
views
Predict the product(s) of this reaction: (Don't worry about balancing) Cu + Cl2
Gyurix
asked
Oct 4, 2024
by
Gyurix
8.0k
points
Chemistry
high-school
1
answer
0
votes
219k
views
Diethyl ether, (CH₃CH₂)₂O, used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure, which makes it a potential fire hazard in laboratories in which it is
John Woo
asked
Oct 4, 2024
by
John Woo
7.9k
points
Chemistry
high-school
1
answer
5
votes
58.4k
views
Briefly define the following airborne materials, and provide two examples of how each is generated: dusts, fumes, smoke, aerosols, mists, gases, and vapors. Please provide your response in sentence/pa
McClamrock
asked
Oct 4, 2024
by
McClamrock
8.4k
points
Chemistry
high-school
1
answer
0
votes
199k
views
A container is filled with 10. 0g of H2 and 5. 0g of O2. Which reactant is the limiting reactant in this case? What mass of water can be produced? Which reactant is present in excess, and what mass of
Andrewgu
asked
Oct 4, 2024
by
Andrewgu
7.8k
points
Chemistry
high-school
1
answer
2
votes
15.8k
views
mno−4(aq) cr(oh)3(s)⟶cro2−4(aq) mno2(s) how many hydroxide ions will appear in the balanced equation?
Debasis
asked
Oct 4, 2024
by
Debasis
8.2k
points
Chemistry
high-school
1
answer
0
votes
203k
views
Consider the reaction of 64.7 ml of 0.310 m NaC₇H₅O₂ with 50.0 ml of 0.245 m HBr. (ka of HC₇H₅O₂ = 6.3 x 10⁻⁵) What quantity in moles of C₇H₅O₂⁻ would be present before the reaction takes place?
Behrooz Karjoo
asked
Oct 4, 2024
by
Behrooz Karjoo
8.3k
points
Chemistry
high-school
1
answer
3
votes
196k
views
In some cases after decon, return of personal items may be a law enforcement function because of: 1) exposure records. 2) evidentiary issues. 3) regulatory citations. 4) chemical degradation.
MaxRocket
asked
Oct 4, 2024
by
MaxRocket
8.0k
points
Chemistry
high-school
1
answer
0
votes
64.4k
views
What is the oxidation number of N in K3Fe(CN)6? a) −5 b) +3 c) +4 d) +1 e) −3
Shongsu
asked
Oct 4, 2024
by
Shongsu
8.2k
points
Chemistry
high-school
1
answer
5
votes
48.2k
views
Predict the charge of the ion formed by each element and write the electron configuration of the ion. a. Mg b. N c. F d. Na
Kyle Sponable
asked
Oct 4, 2024
by
Kyle Sponable
8.5k
points
Chemistry
high-school
1
answer
1
vote
194k
views
Excess NA₂SO₄ (aq) is added to a 4.47x 102 mL sample of industrial waste containing Ba²⁺ ions. If 15.5 g of BaSO₄ (s) are precipitated from the reaction, what was the molar concentration of Ba²⁺ in the
Eugene Kosov
asked
Oct 4, 2024
by
Eugene Kosov
7.5k
points
Chemistry
high-school
1
answer
4
votes
91.0k
views
An LE model contains a description of the type of atomic orbitals...
PolyThinker
asked
Oct 4, 2024
by
PolyThinker
8.2k
points
Chemistry
high-school
1
answer
0
votes
193k
views
What volume of hydrogen at 300.0K and 723torr may be prepared by the reaction of 8.88g of gallium with an excess of hydrochloric acid? 2Ga(s)+6HCl(aq)⟶2GaCl₃(aq)+3H₂(g) a. Use 0.08206L atmmol K for the
Bluantinoo
asked
Oct 4, 2024
by
Bluantinoo
7.6k
points
Chemistry
high-school
1
answer
5
votes
64.3k
views
What is the R group of the amino acid, lysine? 1) H+ 2) -OH 3) CH₃ 4) NH₂
Nils De Winter
asked
Oct 4, 2024
by
Nils De Winter
7.7k
points
Chemistry
high-school
1
answer
4
votes
12.3k
views
Radioactive molecules can be used as tracers because of all of the following EXCEPT: A: their exceptionally long half-lives contribute to stability. This is correct answer B: they participate in the same
Oleksii Kolotylenko
asked
Oct 4, 2024
by
Oleksii Kolotylenko
9.3k
points
Chemistry
high-school
1
answer
2
votes
203k
views
determine the number of moles of carbon monoxiderequired to react with 3.2 moles of oxygen gas to for co2.
Andreasbovens
asked
Oct 4, 2024
by
Andreasbovens
7.8k
points
Chemistry
high-school
1
answer
4
votes
88.2k
views
Infrared radiation with λ = 1.41×10−6 m in kJ/mol
BlueTrin
asked
Oct 4, 2024
by
BlueTrin
8.3k
points
Chemistry
college
1
answer
0
votes
160k
views
How does hemoglobin function as a pH buffer? a) Hemoglobin releases hydrogen ions when oxygen exits the red blood cell. b) Hemoglobin binds hydrogen ions when carbon dioxide exits the red blood cell. c)
Ricardo Valeriano
asked
Oct 4, 2024
by
Ricardo Valeriano
8.5k
points
Chemistry
high-school
1
answer
1
vote
70.0k
views
Page:
« prev
1
...
930
931
932
933
934
935
936
...
1000
...
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
Compare and contrast an electric generator and a battery??
is it true or false that after the american revolution conflicts in the northwest territory erupted between remaining british soldiers and native americans
Who made dutch claims in north america?
Search QAmmunity.org