2 years ago

Is hot chocolate a pure substance or a mixture? Explain.

Chemistry

1 answer:

SVETLANKA909090 [29]2 years ago

5 0

Answer:

It is a mixture

Explanation:

Because it mixes chocolate, milk, sugar, and vanilla to make it sweet and not taste like plain cocoa powder.

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if an atom has 17 electrons and its mass number is 35, calculate the following: - number of protons - number of neutrons -atomic

djverab [1.8K]

Electrons, Protons and the Atomic Number is the exact same. So
Protons - 17
Atomic Number - 17

and the neutrons come by subtracting the protons from the Atomic Mass, which in this case 35.
35-17 = 18
Neutrons = 18

Protons = 17
Atomic Number = 17
Neutrons = 18

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3 years ago

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lesantik [10]

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2 years ago

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nlexa [21]

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Fe(CN)63- + Re → Fe(CN)64- + ReO4--. What is reduced?

givi [52]

Answer:

1. Fe is reduced

2. Mn is Oxidized

3. N is oxidized

Explanation:

<em>Check the image below:</em>

Reducing agent is an element or compound that loses an electron to an electron recipient in a redox chemical reaction. oxidizing agent is a substance that has the ability to oxidize other substances — in other words to accept their electrons.

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3 years ago

Mexico City has an elevation of 7400 ft above sea level. Its normal atmospheric pressure is 589 mm Hg. At what temperature does

IRISSAK [1]

Given that the volume and amount of water are kept constant,
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P₁/T₁ = P₂/T₂
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2 years ago