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BARSIC [14]
3 years ago
7

Which best explains how heat plays a role in the movement of materials within Earth's interior?

Chemistry
2 answers:
Tema [17]3 years ago
6 0

Answer:

Hot material near Earth's surface is more dense and sinks, and when it cools, it becomes less dense and rises.

Explanation:

Convection is a process by which less dense material rises and more dense material sinks near Earth's surface. Water, air, rocks and other materials expands when temperature rises and they become less dense. When the water is heated it becomes vapors and carries away thermal energy from the water.

lorasvet [3.4K]3 years ago
5 0

Answer:

A. Hot material near Earth’s surface is more dense and sinks, and when it cools, it becomes less dense and rises.

Explanation:

Hope this helps!!!     <3

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What is the mass of one mole of hydrogen molecules?
Lilit [14]

Answer:

2 grams

Explanation:

One MOLE of hydrogen atoms contains the same number of atoms as the number of hydrogen molecules in one MOLE of hydrogen molecules, i.e., Avagadros number. However, one mole of hydrogen atoms has a mass of 1 gram while one MOLE of hydrogen molecules has a mass of 2 grams.

4 0
2 years ago
Read 2 more answers
If 35.0 mL of water in a graduated cylinder is displaced by 8.00 mL
sdas [7]

Answer:

<h2>0.52 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

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

From the question

volume = final volume of water - initial volume of water

volume = 35 - 8 = 27 mL

We have

density =  \frac{14}{27}  \\  = 0.518518...

We have the final answer as

<h3>0.52 g/mL</h3>

Hope this helps you

3 0
2 years ago
What property of liquid oxygen makes it especially difficult and potentially harmful to work with at home?
irga5000 [103]
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3 0
3 years ago
What is the main exception in the atomic radius? Explain.
yarga [219]

Answer:

The atomic radius of atoms generally decreases from left to right across a period. There are some small exceptions, such as the oxygen radius being slightly greater than the nitrogen radius. Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level.

hope this helps!

7 0
3 years ago
GIVE ME ANSWERS
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Answer:

uh.. How many do you want done??

Explanation:

6 0
3 years ago
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