Compounds can be separated by chemical means physical means boiling pressure

2 answers:

6 0

In order to compounds to be serparated, chemical means are needed. For example, if it you want to separate hydrogen and oxygen in the water ,an electric current should flow through it and that is a kind of chemical means(it is related to the chemical properties of the elements .)
While ,if there is a mixture ,it's components are rather separated easily in physical means. For instance, if you have a salt water, you are able to divide them by using each physical properties. Water is able to turn to a state of gas by evaporating or boiling. Using such properties, you could separate water from salt. Therefore, separating compounds and mixtures are all about the components physical or chemical properties.

So, the answer is a. I hope it will help you^^

tankabanditka [31]3 years ago

3 0

It can be separated by chemical means

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In the reaction represented by the equation 2Al2O3 → 4A1 + 302, calculate the

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Answer:

3.78 gm O2

Explanation:

In the reaction represented by the equation 2Al2O3 → 4A1 + 302, calculate the theoretical amount in grams of oxygen, O2 produced if 11.84 grams Al2O3 decomposes?

for every 2 moles of Al2O3, 3 mole of 02 are produced

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