3 years ago

An atom that has lost or gained electrons is known as an ion. Which compound below is made up of ions?

Chemistry

1 answer:

Tju [1.3M]3 years ago

5 0

Answer:

KBr

Explanation:

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Consider the following mechanism: O3 => O2 + O NO + O => NO2 What is the role of O2? A. intermediate B. catalyst C. reacta

Daniel [21]

Answer:

The correct answer is option D.

Explanation:

Step 1: $O_3\rightarrow O_2+O$

Step 2: $NO+O\rightarrow NO_2$

Overall reaction can be determined by adding all the reactions of mechanism:

$O_3+NO\rightarrow O_2+NO_2$

Reactants in an overall reaction = $O_3\& NO$

Products in an overall reaction = $O_2\& NO_2$

According to question , the role of oxygen gas is product.

5 0

2 years ago

1 3.1.2

Pachacha [2.7K]

Answer: (Kr) 5s2

Explanation:

Apex

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2 years ago

Why is it important to use chemicals of high quality (purity) and exact(correct) concentrations in experiments?

Darya [45]

It is important to use chemicals of high quality and correct concentrations in experiment so that we can obtain the predictable result in an experiment

Purity of substances/chemicals is very important when performing experiments in the laboratories, because it plays an important role in the determination of the chemical properties of substances which will have a direct effect on the result obtained from the experiment. likewise using the correct concentration of reagents

During experiments to obtain the best/predictable result in an experiment it is of best practice to make use of chemicals of high quality and also at the exact(needed) concentrations, that way the predictable result of the experiment will be obtained.

Learn more : brainly.com/question/8684258