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Chemistry Questions and Answers (Q&A)

John Adney
Answered: Mar 21, 2017
In conservation of environment lesson bio plastic 3 option is the green chemistry product

5 Answers

Danny R. Glover, Editor
Answered: Jul 11, 2018
To solve this problem remember one thing: the volume will remain constant because the gas is placed in a steel tank. The formula you need to follow is: P1/T1 = P2/T2. Input all of the needed...Read More

4 Answers

Mathewhuesband
Answered: Jul 11, 2018
My friend is an expert at knowing marshmellows because he is one huuuuhhhhh

4 Answers

M. Krasinski, Content Writer
Answered: Jan 29, 2019
The correct answer to this question is A. A solution is a mixture made up of at least substances, and usually it is hard to separate the two after the solution is mixed. A solution is two...Read More

4 Answers

Barry Mclean, Sales Manager
Answered: Aug 27, 2019
Electrons, protons, and neutrons are the three fundamental particles in an atom. Electron is a negatively charged particle, and according to Dalton's Atomic Theory, electrons are found outside...Read More

4 Answers

H. Jones, Web Content Writer
Answered: Jul 11, 2018
H-F is the most ionic out of all the choices available. This is because when the differences are computed, this has the greatest electronegativity difference. Take note that only those with...Read More

4 Answers

J.Spencer, Knowledge enthusiast
Answered: Apr 27, 2018
NF3 has a trigonal pyramidal structure. Nitrogen has three bonds with fluorine and the presence of one lone pair. There is a good amount of polarity due to the electronegativity differences in...Read More

3 Answers

E. Stanley, Technical writer
Answered: Jul 17, 2018
The sum of the coefficients is basically the total number of reacting molecules and products formed. However, you need to balance the equation first in order to reach the right value. For that,...Read More

3 Answers

Samantha Stewart, Philanthropist
Answered: Dec 07, 2018
The correct answer is answering E: the atoms have the same atomic number, but a different number of neutrons. This is key. The atomic number signifies how many protons an atom has. If it has...Read More

3 Answers

Anika Nicole, Wordsmith
Answered: May 28, 2018
Given: Sea water contains roughly 28.0 g of NaCl per liter. To find: What is the molarity of sodium chloride (NaCl) in sea water? Solution: Molecular mass of NaCl= 58.4...Read More

3 Answers

J. Shatner, Content writer
Answered: Oct 11, 2018
Option B - increase in pressure.
The extent of adsorption is directly proportional to the pressure. Therefore, increase in pressure will cause increase in rate of adsorption. Keep in...Read More

3 Answers

E. Stanley, Technical writer
Answered: Jun 27, 2018
The volume occupied by the Ammonia gas is C. 67.2 Liters. Ammonia is a compound that is composed of both nitrogen and hydrogen. Ammonia is normally used in order to rouse people into...Read More

3 Answers

John Smith
Answered: Feb 16, 2020
Decreases

Increase in nuclear charge shrinks the atoms as we move from left to reigt

3 Answers

M. Kennedy, Web Content Writer
Answered: Nov 05, 2018
In a math word problem, it is common to use a formula. In this case when the math word problem includes absorbance and wave length, then the formula should be used where the absorbance amount is...Read More

3 Answers

John Adney
Answered: Aug 31, 2017
The general properties of matter such as color, density, hardness, are examples of physical properties. Properties that describe how a substance changes into a completely different substance are...Read More

3 Answers

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