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Recent questions in Chemistry
What is the oxidation state of bismuth in NaBiO₃? a) +2 b) +5 c) +6 d) +7
Soyol
asked
Dec 19, 2024
by
Soyol
8.5k
points
Chemistry
high-school
1
answer
5
votes
211k
views
The excess gibbs free energy of a binary liquid mixture at t and p is given by: T = (−2.6 x1 − 1.8x2)x1x2 , b) show that when these expressions are combined in accordance with equation T = ∑ x , that the
John Ryann
asked
Dec 19, 2024
by
John Ryann
7.7k
points
Chemistry
high-school
1
answer
0
votes
123k
views
If each ml of a solution of H2PO3 contains the equivalent of 0.5000 M of dissolved P2O5, what vol. of 2.50 M NaOH would be required to react with 20.0 ml of the acid to form HPO4?
Gilgamash
asked
Dec 19, 2024
by
Gilgamash
7.6k
points
Chemistry
college
1
answer
1
vote
109k
views
Consider the reaction. 2 A(g) = B(g) Kp = 7.10 x 10-5 at 500 K If a sample of A(g) at 2.70 bar is heated to 500 K, what is the pressure of B(g) at equilibrium?
Julieth
asked
Dec 19, 2024
by
Julieth
8.8k
points
Chemistry
high-school
1
answer
2
votes
4.3k
views
What are three common states of matter, and how do they compare in terms of movement/sticking together of the particles from which they are composed? A) Solid, Liquid, Gas - Particles are close together
Ravindra Shekhawat
asked
Dec 19, 2024
by
Ravindra Shekhawat
7.8k
points
Chemistry
high-school
1
answer
5
votes
4.0k
views
What is the mechanism of action of pseudomonic acid, and how is resistance created?
DarenW
asked
Dec 19, 2024
by
DarenW
7.7k
points
Chemistry
high-school
1
answer
0
votes
228k
views
Can water stay liquid below zero degrees Celsius? Can you light diamond on fire? How bad of an alcoholic do you have to be to have your brain affected? How can glass be a liquid if it's so hard? How do
Sachadso
asked
Dec 19, 2024
by
Sachadso
8.4k
points
Chemistry
high-school
1
answer
5
votes
177k
views
Why is it imperative to calibrate the spectrophotometer for measuring the absorbance of the solution?
Firda
asked
Dec 19, 2024
by
Firda
7.8k
points
Chemistry
high-school
1
answer
1
vote
126k
views
Which statement best recognizes consistency between statements about standard Gibbs free energy? A) Change in entropy is negative B) Change in enthalpy is positive C) Change in temperature is constant
Wezzix
asked
Dec 19, 2024
by
Wezzix
7.8k
points
Chemistry
high-school
1
answer
4
votes
23.9k
views
which of the following statements is not a requirement for a valid reaction mechanism? question 10 options: a mechanism must have only one rate-determining step. there must not be net production of any
Artory
asked
Dec 19, 2024
by
Artory
7.4k
points
Chemistry
high-school
1
answer
0
votes
173k
views
1. If you add energy to a system, what is happening to the particle speed? increases B. decreases C. stays the same 2. If you remove energy from a system, what is happening to the temperature? increases
Schlusie
asked
Dec 19, 2024
by
Schlusie
7.7k
points
Chemistry
high-school
1
answer
4
votes
232k
views
What likely happens when two atoms with the electron configuration 1s²2s²2p⁴ move toward each other? a. They repel due to similar charges b. They form a covalent bond c. They undergo radioactive decay
JohnChris
asked
Dec 19, 2024
by
JohnChris
7.4k
points
Chemistry
high-school
1
answer
5
votes
140k
views
Which molecule has a molecular mass of 28.05 amu? a) H₂O b) CO₂ c) CH₄ d) NH₃
Lucasz
asked
Dec 19, 2024
by
Lucasz
8.4k
points
Chemistry
high-school
1
answer
5
votes
213k
views
What is the molarity of the solution that Sally is supposed to make for the lab?
CVM
asked
Dec 19, 2024
by
CVM
8.1k
points
Chemistry
high-school
1
answer
4
votes
230k
views
If I express a MPS in its (left, right or anything else) canonical form, does this representation encode all Schmidt decompositions between a subsystem and its complement,rather than only the Schmidt decompositions
Hannad
asked
Dec 19, 2024
by
Hannad
8.0k
points
Chemistry
high-school
1
answer
5
votes
75.1k
views
How is beer made? 1) Fermentation of barley 2) Distillation of hops 3) Carbonation of water 4) Filtering of yeast
Cira
asked
Dec 19, 2024
by
Cira
8.7k
points
Chemistry
high-school
1
answer
1
vote
215k
views
What is the iupac name of (CH3)3CCOCH2CH3?
Alfredo Rodriguez
asked
Dec 19, 2024
by
Alfredo Rodriguez
8.7k
points
Chemistry
high-school
1
answer
1
vote
131k
views
Open-ended Which amino acid would be capable of forming hydrogen bonds with a lysine residue in a protein?
Eugeniodepalo
asked
Dec 19, 2024
by
Eugeniodepalo
8.1k
points
Chemistry
high-school
1
answer
2
votes
16.9k
views
What is the mole fraction of O2 in a sample with 1.25 grams CH4, 45.2 grams N2, and 13.4 grams O2? a) 0.036 b) 0.100 c) 0.300 d) 0.500
Avuthless
asked
Dec 19, 2024
by
Avuthless
8.2k
points
Chemistry
high-school
1
answer
0
votes
180k
views
When is the chemoreceptor trigger zone activated by ethanol?
Uncommon
asked
Dec 19, 2024
by
Uncommon
7.4k
points
Chemistry
high-school
1
answer
1
vote
191k
views
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