2 years ago

Describe the kinetic, potential and thermal energy of each state of matter?

Chemistry

1 answer:

Lerok [7]2 years ago

6 0

Answer:

Particles of matter possess energy called kinetic energy.

Solid cannot be compressed, but gases are highly compressible.

The Kinetic energy of molecules of gases is very large & solids the least.

On heating a sublimable liquid, the molecules break free & escape from the surface of the solid directly into vapour.

Particles of matter move more rapidly on the application of heat

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if a scientist creates a new rock like substance in a laboratory, why wouldnt this type of material be classified as a true mine

ad-work [718]

The reason why it is not considered this is because the material was made in a lab, not through nature, which is what is required to be considered as a true mineral.

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2 years ago

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PLEASE HELP!!!

umka21 [38]

Answer:

the answer is A

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1 year ago

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Propane (c3h8) is burned in oxygen to produce carbon dioxide and water. the heat of combustion of propane is -2012 kj/mole. how

Olegator [25]

$C_{3} H_{8} + 5 O_{2} ---\ \textgreater \ 3CO_{2} +4H_{2}O (-2012 \frac{kJ}{mol} )


3 mol 10 mol


C_{3}H_{8} is /excess /reactant

because 3 mol propane require 15 mol oxygen (by reaction)

5 mol oxygen ---1 mol propane, so

10 mol oxygen ---2 mol propane

Only 2 mole propane will be burned,

so 

2012 ( kJ/mol)*2 mol =4024 KJ heat will be given off

Correct answer is number 4.


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