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Chemical Reaction Questions and Answers (Q&A)

John Adney
Answered: Apr 24, 2017
Pb(NO3)2 + 2 KI ---> PbI2 + 2 KNO3what constitutes this reaction ?

4 Answers

John Adney
Answered: Jun 18, 2017
Why is it exothermic it has a positive energy energy is getting absorbed so therefore shouldn't the energy level increase?

3 Answers

N. Jarah
Answered: Nov 14, 2019
C is the answer to this question. An extensive property is one of the properties of matter that will change depending on the amount of matter that it will be exposed to. Mass is one example of an...Read More

2 Answers

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

2 Answers

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

2 Answers

C. Perez, Writer
Answered: Aug 01, 2019
The correct answer to this question is D, 0.96 M. The given equation and chart can help us solve this question. Along with using the equation and table, it is helpful for the person answering the...Read More

1 Answer

W. Mocroft, Philanthropist
Answered: Apr 10, 2019
The correct answer to this question is B, hydrolysis. This is defined as a chemical breakdow of a compound, formed from a reaction with water. The word hydrolysis comes from Ancient Greek, where...Read More

1 Answer

V. Barnes
Answered: May 10, 2018
The Retro-Diels-Alder Reaction. The Retro-Diels–Alder reaction (RDA) is the second microscopic reversed reaction of the Diels–Alder reaction—the formation of a diene and d...Read More

1 Answer

John Adney
Answered: Nov 08, 2017

A process where a sugar is broken down into yeast and carbon dioxide

1 Answer

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

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

T. Moore, Writer
Answered: Nov 27, 2018
Option C - mass
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...Read More

1 Answer

Hollystar
Answered: Apr 13, 2018

I believe it is Endothermic

1 Answer

K.Paul
Answered: Dec 11, 2017
From the given choices, the correct answer is letter A or the observed pressure will be less than the ideal pressure, and the volume available for the gas particles is less than the volume of the...Read More

1 Answer

John Adney
Answered: Nov 05, 2017
Endothermic reaction ofcourse!! exo is the release of heat or in other words energy so it ends with less energy however endo is the intake of heat from surroundings or in other word...Read More

1 Answer

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