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Lubov Fominskaja [6]
3 years ago
7

7

Chemistry
1 answer:
julsineya [31]3 years ago
7 0
Answer: since the thyroid produces hormones, the chemicals made by our bodies. Living where there is a lot of pollution would expose a person to many other chemicals -- gas fumes, contaminants in food and water, and so on. I hope this helped!!
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What is the mass of 2 moles of carbon -12
olchik [2.2K]

Answer:

2 moles of C-12 have 24g mass

Explanation:

Given data:

Number of moles of C-12= 2 mol

Mass of C-12 = ?

Solution:

Formula:

Number of moles = mass / molar mass

Molar mass of C-12 = 12 g/mol

Now we will put the values in formula.

2 mol  = mass / 12 g/mol

Mass = 2 mol ×  12 g/mol

Mass = 24 g

Thus 2 moles of C-12 have 24 g mass.

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Answer:

For each scenario as following:

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What two factors determine the thermal energy in a substance
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