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3 years ago

Which mixture can be separated based on differences in the particle size of the components?

Chemistry

1 answer:

Rina8888 [55]3 years ago

5 0

Answer: Mixtures you can separate are like cereal and milk. Hope that helps

Explanation: Filteration is required to separate a mixture.

So heterogeneous mixures (that contain substances with different particle sizes) can be separated with a filter.

Homogeneous mixtures are uniform in composition so they will not be able to be separated.

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Which of the following statements is true? A. The process of meiosis forms daughter cells which are genetically identical to the

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3 years ago

2NO + 3MnO2 + 4H â 2NO3- + 3Mn2 + 2H2O For the above redox reaction, assign oxidation numbers and use them to identify the eleme

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Answer:

Manganese decreases from 4+ to 2+ (reduced and oxidizing agent) and nitrogen increases from 2+ to 5+ (oxidized and reducing agent).

Explanation:

Hello there!

In this case, according to the given redox reaction, we rewrite it as a convenient first step:

$2NO + 3MnO_2 + 4H^+ \rightarrow 2NO_3^- + 3Mn^{2+} + 2H_2O$

Next, we assign the oxidation numbers as follows:

$2N^{2+}O^{2-} + 3Mn^{4+}O^{-2}_2 + 4H^+ \rightarrow 2(N^{5+}O^{2-}_3)^- + 3Mn^{2+} + 2H^+_2O^{2-}$

Thus, we can see that both manganese and nitrogen undergo a change in their oxidation number, the former decreases from 4+ to 2+ (reduced and oxidizing agent) and the latter increases from 2+ to 5+ (oxidized and reducing agent).

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2 years ago

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