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Maru [420]
3 years ago
13

Resistance of a material being scratched in known as _____.

Chemistry
1 answer:
Art [367]3 years ago
7 0

Answer:

Hardness

Explanation:

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A sample of O2, under occupies 500ml at 25.0°C. What volume will the sample occupy at 0.0°C
NeX [460]

Answer:

458ml

Explanation:

According to charles law, $\frac{V_{1}}{T_{1}} =\frac{V_{2}}{T_{2}} $

Given values,

Volume occupied $V_{2}=500ml$

Temperature $T_{1}=25.0^{\circ}C=25+273=298K$

Second temperature $T_{2}=0.0^{\circ}C=273K$

Volume $V_{2}=?$

From charles law, $V_{2}=\frac{V_{1} \times T_{2}}{T_{1}}$ \\$=\frac{500 \times 273}{298}$\\$=458ml$

$\therefore$ Volume occupied by the oxygen at 0.0°C is 458ml

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Arte-miy333 [17]

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It's a rapid motion and collisions of molecules with the walls of the container that causes pressure.

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Crabs are organisms that have five pairs of legs. In certain species of crabs, the fifth pair of legs has a flattened, paddle-li
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A

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Crabs were exposed to a toxin in the water.

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Matt's cube, after 5 trial, had an average destiny of 7.40. g/cm what is it made of ?​
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