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grin007 [14]
3 years ago
11

The si unit used to measure the amount of many tiny substances is?

Chemistry
1 answer:
Elan Coil [88]3 years ago
6 0
Https://chem.libretexts.org/Core/Analytical_Chemistry/Quantifying_Nature/Units_of_Measure/SI_Units


Look for it here
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Has any one done 2020 chemistry paper 1 aqa gcse
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10: Convert 77.0 L at 18.0 mmHg to its new volume at standard pressure.
olchik [2.2K]

Answer:

The answer to your question is   V2 = 1.82 l

Explanation:

Data

Volume 1 = 77 l

Pressure 1 = 18 mmHg

Volume 2 = ?

Pressure 2 = 760 mmHg

Process

Use Boyle's law to solve this problem

                P1V1 = P2V2

-Solve for V2

                 V2 = P1V1/P2

-Substitution

                 V2 = (18 x 77) / 760

-Simplification

                 V2 = 1386 / 760

-Result

                 V2 = 1.82 l

5 0
3 years ago
The process by which hot and cold air are transferred in the atmosphere is
Elan Coil [88]

Convection: the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.

hope that helps :)

3 0
3 years ago
What is an intensive property? *
Dennis_Churaev [7]

Answer:A property that changes if the amount of substance changes

Explanation:

This is the answer

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