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serious [3.7K]
3 years ago
9

What is the difference between a particle and an atom?

Chemistry
1 answer:
Step2247 [10]3 years ago
4 0

Answer:

an atom is the basic unit of a chemical element.

a particle is a minute portion of matter.

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A helium balloon has a pressure of 0.2 kPa and a volume of 15 L. If the pressure increases to 0.5 kPa, what volume will the ball
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Answer:

6.0 L

Explanation:

For this question, we can use

P1×V1= P2 × V2

where

P1 (initial pressure)= 0.2 kPa

V1 (initial volume)= 15L

P2 (final pressure)= 0.5 kPa

V2(final volume)= ?

Since we are trying to find final volume, we can rearrange the equation to make V2 the subject.

V2= (P1 × V1)/ P2

V2= (0.2 ×15)/0.5

V2 =6 L

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