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Chemical Equation Questions and Answers (Q&A)

The coefficients of the correctly balanced equation are the following: 1, 3, 2, and 3. Take note that balancing equations is something that people find complicated especially if they have not memorized the needed information yet. Those who do know how to balance chemical equations simply have to look at the given equation to know what to do next. Chemicals equations should be balanced as it signifies the fact that matter cannot be destroyed.

It can only change its form, its size, and so much more but it will still exist as matter albeit differently from what it used to be. Each element should have the same number of elements for the chemical equation to be balanced.

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False

Chemical reaction and chemical equation are not technically same.

Achemical reaction is a process of converting one or more substance into a new substance.

Howeverchemical equation is the symbolic representation of chemical reaction.

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In a lab, the students or scientists must make observations from the experiments that they are conducting. When a student mixes chemicals in a lab, they may need to be aware of the results. Sometimes, explosions happen in laboratories because the chemicals that are mixed together should not be mixed together. In most cases, the scientist already knows this and will not mix the chemicals together.

Another result may be that the test tube becomes very hot or very cold based on the chemicals being mixed together. If a student mixed calcium oxide with water, it may make the test tube hot. The student may determine this simply by touching the test tube. If the mixture is hot, then the surface of the tube would be hot.

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The answer to this question is A. H20 is not H202. It will be an entirely different compound. A lot of people are aware that H20 is water. H202 is known as hydrogen peroxide. A lot of people are more familiar with this as a disinfectant.

This may be used to clean wounds or to clean different surface areas. The ones that are being sold over the counter are known to be colorless, but in its purest form, it is color blue and solid. Some people think that H202 therapy is useful, but people are advised against this type of treatment as it can kill people when they take too much of it.

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