How can you identify the gas produced in a chemical reaction without observing the atoms and molecules directly?

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19-10-2021
Chemistry

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How can you identify the gas produced in a chemical reaction without observing the atoms and molecules directly?

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ajinems ajinems · Answer 1 · 2021-10-27T13:35:06+02:00

To identify the gas produced in a chemical reaction without observing the atoms and molecules directly through the characteristics of the gas.

Chemical reaction is defined as the process by which substances (known as reactants) combine together with the formation of bonds to form products.

There are some signs that shows that chemical reaction has occurred. They include:

Color Change
Change of temperature
Giving off gas (Evolution of gas)

Therefore, the production of gas from a chemical reaction shows that a reaction has occurred.

These gases can be identified without observing the molecules through that characteristics of the gas. This include:

the smell of the gas: For example when a gas is given off, and it smells like urine, it's likely to be ammonia gas.
color change that occurs during the chemical reaction can show the type of gas that was given off. For example when lime water turns into milky color, it shows the presence of carbondioxide gas.

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