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Talja [164]
4 years ago
8

Explain why the study of chemistry should be important to everyone

Chemistry
1 answer:
alexgriva [62]4 years ago
3 0
Chemistry is the study<span> of the </span>composition, structure, and properties of matter and the changes that matter undergoes. A chemical is any substance that has a definite composition or is used or produced in a chemical process.
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Is acetaminophen an ionic or molecular compound? Explain your answer in complete sentences.
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Acetaminophen is a molecular compound and not an ionic compound.

Explanation:

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A bar of gold is 5.0mm thick, 10.0cm long and 2.0cm wide. It has a mass of exactly 193.0g. What is the desity of gold?
Tanzania [10]
<h3>Answer:</h3>

19.3 g/cm³

<h3>Explanation:</h3>

Density of a substance refers to the mass of the substance per unit volume.

Therefore, Density = Mass ÷ Volume

In this case, we are given;

Mass of the gold bar = 193.0 g

Dimensions of the Gold bar = 5.00 mm by 10.0 cm by 2.0 cm

We are required to get the density of the gold bar

Step 1: Volume of the gold bar

Volume is given by, Length × width × height

Volume =  0.50 cm × 10.0 cm × 2.0 cm

             = 10 cm³

Step 2: Density of the gold bar

Density = Mass ÷ volume

Density of the gold bar = 193.0 g ÷ 10 cm³

                                      = 19.3 g/cm³

Thus, the density of the gold bar is 19.3 g/cm³

3 0
3 years ago
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