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Agata [3.3K]
2 years ago
15

When air is heated, its density A. Increases B. Decreases C. stays the same

Chemistry
2 answers:
soldier1979 [14.2K]2 years ago
6 0

Answer:

a

Explanation:

Stels [109]2 years ago
4 0

Answer:

A. Increases

Hope this helps!

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The answer is 607g. the working is shown above.

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5. Which of these elements has the greatest atomic radius? *<br> Be<br> Mg<br> Ra<br> Ba
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The answer is Ra
Atomic number for Be is 4

Atomic number for Mg 12

Atomic number for Ra 88

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Which statement summarizes the difference between mass and weight?
alexgriva [62]

Answer:

Mass is the amount of matter in an object.

Weight is how much an object weighs.

Hope this helps!

6 0
3 years ago
Can someone help me with 3
lozanna [386]
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3 years ago
Question 23 (3 points)
Mice21 [21]

Answer:

<h2>The answer is 3.0 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}  \\

From the question

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density = 2.7 g/mL

It's volume is

volume =  \frac{8.1}{2.7}  \\

We have the final answer as

<h3>3.0 mL</h3>

Hope this helps you

3 0
2 years ago
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