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Recent questions in Chemistry
I was wondering how the area under the curve in the case of a conc against time plot would be equal to the total exposure in the body? I know that this area is integrated using AUC = ∫C dt However wouldn't
Kepung
asked
Oct 2, 2024
by
Kepung
7.3k
points
Chemistry
high-school
1
answer
0
votes
111k
views
NEED HELP ASAP!!! 100 POINTS!! Before tackling this problem, be sure you know how to find the antilog of a number using a scientific calculator. A solution has a pH of 5.4. Write the formula you will use
Bes Ley
asked
Oct 2, 2024
by
Bes Ley
9.1k
points
Chemistry
high-school
2
answers
4
votes
194k
views
"Which of the following can react with alcohols to form esters? a. sulfuric acid b. carboxylic acid c. nitric acid d. more than one response is correct"
Qwertzguy
asked
Oct 2, 2024
by
Qwertzguy
8.0k
points
Chemistry
high-school
1
answer
2
votes
40.6k
views
I have bought 250 g of old antimony trichloride bottle (very cheap), it was never opened because it is sealed from manufacturer. But it was probably not stored well, or seal is not good, because there
Sachin Kalia
asked
Oct 2, 2024
by
Sachin Kalia
7.7k
points
Chemistry
high-school
1
answer
3
votes
196k
views
In an experiment, 2.0 moles of oxygen atoms reacts with 80.1 g of calcium to form a new compound. What is the percent composition by mass of each element in the new compound?
Eugene Brown
asked
Oct 2, 2024
by
Eugene Brown
8.7k
points
Chemistry
high-school
1
answer
1
vote
216k
views
what may be the stable oxidation state of the transition element with the following delectron configurations in the ground state of their atoms: 3d³,3d⁵, 3d⁸ and 3d⁴?
Alexander Measure
asked
Oct 2, 2024
by
Alexander Measure
8.1k
points
Chemistry
high-school
1
answer
0
votes
79.7k
views
Predict the ion formed by each element.
Nolan Conaway
asked
Oct 2, 2024
by
Nolan Conaway
9.1k
points
Chemistry
high-school
1
answer
4
votes
223k
views
What variable must be held constant to use the combined gas law? a. mass of gas sample b. number of moles of gas c. number of gas molecules d. all of the above e. none of the above
J Grover
asked
Oct 2, 2024
by
J Grover
8.2k
points
Chemistry
college
1
answer
0
votes
193k
views
Question 1: Planning and Data Collection Part A ------------------------------------------------------------------------------------------------------------- This investigation is a controlled experiment,
Amresh Venugopal
asked
Oct 2, 2024
by
Amresh Venugopal
7.9k
points
Chemistry
high-school
1
answer
2
votes
143k
views
The energy needed to remove an electron from an atom is called ___ energy ITS NOT IONIZATION
Flygenring
asked
Oct 2, 2024
by
Flygenring
9.2k
points
Chemistry
high-school
1
answer
4
votes
204k
views
Solids ____ - have molecules with high kinetic energy - have large spaces between molecules - are difficult to compress - take the shape of their containers
Samzmann
asked
Oct 2, 2024
by
Samzmann
8.3k
points
Chemistry
high-school
1
answer
2
votes
89.6k
views
For each element, indicate the number of valence electrons, core electrons, and unpaired electrons in the ground state. a. Nitrogen b. Silicon C. Chlorine
Dallin
asked
Oct 2, 2024
by
Dallin
8.4k
points
Chemistry
high-school
1
answer
4
votes
187k
views
Consider the hypothetical serine protease in the image. What is the question about the hypothetical serine protease? 1) Structure of the serine protease 2) Function of the serine protease 3) Mechanism
Shweta Gupta
asked
Oct 2, 2024
by
Shweta Gupta
8.8k
points
Chemistry
high-school
1
answer
2
votes
62.0k
views
When using a chemical relaxer, it changes the shape of the hair by breaking down which of the following? a) Hydrogen bonds b) Disulfide bonds c) Salt bonds d) Ionic bonds
Andreas Furster
asked
Oct 2, 2024
by
Andreas Furster
8.6k
points
Chemistry
high-school
1
answer
2
votes
70.6k
views
What happens to the solubility of gases in water as pressure increases? Question 9 options: solubility increases so less solute dissolves solubility decreases so more solute dissolves solubility increases
Dezman
asked
Oct 2, 2024
by
Dezman
7.8k
points
Chemistry
college
1
answer
4
votes
222k
views
Which statements are true of halon as a fire suppression agent? (Choose TWO): A) Halon is safe for humans. B) Halon deals with Class A category of fire. C) Halon gas suppresses fire by a chemical reaction.
Satch
asked
Oct 2, 2024
by
Satch
8.3k
points
Chemistry
high-school
1
answer
1
vote
48.4k
views
You have 1.5 L of a 1.5 M solution of acetic acid. How many moles of CH3COOH is that? A) 1 mole B) 2.25 moles C) 3.375 moles D) 1.5 moles.
Sergio Tulentsev
asked
Oct 2, 2024
by
Sergio Tulentsev
7.8k
points
Chemistry
high-school
1
answer
3
votes
50.4k
views
Complete the sentence to explain why ethanol is soluble in water but propane is not Drag the terms on the left to the appropriate blanks on the right to complete the sentence. Reset Help Ethanol has a
AndrWeisR
asked
Oct 2, 2024
by
AndrWeisR
7.8k
points
Chemistry
high-school
1
answer
2
votes
146k
views
A teacher lost the label on the elements they were going to use in a lab; would placing the elements in water be a good way to figure out what the element is? (a) Yes, because elements react uniquely with
MikeJPR
asked
Oct 2, 2024
by
MikeJPR
8.4k
points
Chemistry
high-school
1
answer
3
votes
142k
views
Determine the Z and A numbers for an atom with 20 protons, 19 neutrons, and 18 electrons. What element would this be in the periodic table? Is this an atom or an ion? If an ion, what is the charge on it?
Stan Luo
asked
Oct 2, 2024
by
Stan Luo
8.4k
points
Chemistry
high-school
1
answer
5
votes
172k
views
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