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erastova [34]
2 years ago
9

What is the relationship between temperature and kinetic energy?

Chemistry
2 answers:
uranmaximum [27]2 years ago
7 0

Answer:

<em>As stated in the kinetic-molecular theory, the temperature of a substance is related to the average kinetic energy of the particles of that substance. When a substance is heated, some of the absorbed energy is stored within the particles, while some of the energy increases the motion of the particles.</em>

Explanation:

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<em>kai6417</em>

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ad-work [718]2 years ago
4 0

Answer:

substance is related to the average kinetic energy of the particles of that substance

Explanation:

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Answer:

mountain

Explanation:

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2 years ago
What happens to the molecules of water as it freezes?
Nataly [62]
When Water freezes or begin to freeze, it molecules start to slow down enough that their attraction arrange into one shape till they melt again.
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3 years ago
5. How can you tell the difference between CuS and Cu2S
puteri [66]

Answer:

Density, melting point. and magnetic properties  

Explanation:

I can think of three ways.

1. Density

The density of Cu₂S is 5.6 g/cm³; that of CuS is 4.76 g/cm³.

It should be possible to distinguish these even with high school equipment.

2. Melting point

Cu₂S melts at 1130 °C (yellowish-red); CuS decomposes at 500 °C (faint red).

A Bunsen burner can easily reach these temperatures.

3. Magnetic properties

You can use a Gouy balance to measure the magnetic susceptibilities.

In Cu₂S the Cu⁺ ion has a d¹⁰ electron configuration, so all the electrons are paired and the solid is diamagnetic.

In CuS the Cu²⁺ ion has a d⁹ electron configuration, so all there is an unpaired electron and the solid is paramagnetic.

A sample of Cu₂S will be repelled by the magnetic field and show a decrease in weight.

A sample of CuS will be attracted by the magnetic field and show an increase in weight.

In the picture below, you can see the sample partially suspended between the poles of an electromagnet.

 

6 0
3 years ago
Why is environmental science called interdisciplinary
Xelga [282]
Because it relates to more than one branch of knowledge. It combines more than one academic disiplines.
8 0
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Diamond cannot conduct electricity but graphite can,why​
zavuch27 [327]

Diamond does not conduct electricity because it has no delocalized electron to conduct electricity.

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