39 Best Chemical Reaction Questions and Answers (Q&A) - ProProfs Discuss

What is the concentration of the H2SO4(aq) in the following?

B. Lucian, Literature Professor
Answered: Sep 18, 2020

You should get 0.96M. If you would check out the chart and the given equation, it will be easier to get to this conclusion. You may not be too familiar with what concentration is. This refers to...Read More

5 Answers

5418 views

How many total atoms are in 3Na2SO4?

C. Bernthal, Teacher
Answered: May 29, 2019

In dealing with the matter, there are many parts to it. The atom is the smallest part of the case. Matter can be anything that has weight and takes up space or in other words, has mass. In any...Read More

2 Answers

3730 views

Which substance does phosphorus have a +3 oxidation state in?

John Adney
Answered: Mar 15, 2017

we know that
k=1
h=-1
o=-2
1 + 2*-1 +3*(x)=0
-1+3*x=0
3*x=1
x=1/3

2 Answers

1702 views

What type of reaction is the following?

Wack
Answered: Jan 11, 2025

Double-replacement

1 Answer

1428 views

What is the difference between side effects and adverse effects?

T. Wikati, Technical Writer
Answered: Jul 17, 2019

Side effects and adverse effects are two different things that explain the outcome of the reaction take place when someone uses a particular medication. The two terms are mostly used in medicine,...Read More

1 Answer

1118 views

What property stays the same during physical and chemical changes?

T. Moore, Writer
Answered: Nov 27, 2018

Mass doesn't change in physical or chemical change.
Physical change are changes that affect the form of a substance. Example is the change in the state of water from solid to liquid and to...Read More

2 Answers

1013 views

Which is not a clue that could indicate a chemical change?

J. Harty, Writer
Answered: May 23, 2019

In science, many chemical changes take place. Two substances that are mixed to create new content, this can be done through a chemical change. Certain things take place when a chemical change...Read More

2 Answers

774 views

Which of the following would be the best molecular level representation after the reaction has taken place?

Markda John
Answered: Jan 02, 2018

There are no actual answers here - just A, B, C, and D, where answer A reads “A”, answer B reads “B”, and so on. There are no diagrams, no descriptions. This makes it...Read More

3 Answers

662 views

What type of reaction is this; C +Â H2O Ã CO + H2 Hrxn = + 113 kJ?

YouAreWrong
Answered: Jan 11, 2025

Exothermic

2 Answers

631 views

How do you show that catalysts are not consumed or chemically altered during a reaction in a chemical equation?

John Smith
Answered: Jan 11, 2025

The catalyst is often written above the yield arrow in the equation.

1 Answer

585 views

What characteristic best describes what happens during a physical change?

Shirleywalton
Answered: Jan 11, 2025

B. composition stays the same

1 Answer

575 views

What is carried from particle to particle in a water wave?

Shirleywalton
Answered: Jan 11, 2025

C. energy

1 Answer

519 views

What is an example of a true solution?

A. Daniels, Professor
Answered: Oct 10, 2018

In science, a true solution deals with the type of mixture and how it is dissolved. Also, it also has to comply with the measurements of the particle size. Specifically, a true solution’s...Read More

3 Answers

491 views

Why is it possible for a compound to have more than one bonding? How do you know the type of bond present in compounds? Can you please explain van der Waals, metallic and hydrogen bonding?

J. Alva
Answered: Nov 14, 2019

It will usually depend on the structure and the current placement of the atoms but it is likely for multiple bonds to form so that different atoms can remain or become stable. There are some...Read More

1 Answer

338 views

Chemical Reaction Questions and Answers (Q&A)

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