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3 years ago

What does reflection mean?

Chemistry

2 answers:

kenny6666 [7]3 years ago

7 0

Answer:

the throwing back by a body or surface of light, heat, or sound without absorbing it.

"the reflection of light"

Explanation:

i hope this helps

zhannawk [14.2K]3 years ago

7 0

Answer:

Reflection is like a mirror, you see yourself in the mirror thats your reflection, or you see yourself in a puddle. Basically a reflection just absorbed light.

Explanation:

Hope this helps. sorry if wrong. also change i up so ur teacher doesnt see that u copied it.

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A sample of oxygen gas was collected via water displacement. since the oxygen was collected via water displacement, the sample i

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The sample of oxygen gas was collected through water displacement. So, the gas collected will be a mixture of oxygen and water vapor.

Given that the total pressure of the mixture of gases containing oxygen and water vapor = 749 Torr

Vapor pressure of pure water at $26.4^{0}C$ =25.81mmHg

= $25.81 mmHg*\frac{1 Torr}{1 mmHg} =25.81 Torr$

According to Dalton's law of partial pressures,

Total pressure = Partial pressure of Oxygen gas + Partial pressure of water

749 Torr = Partial pressure of Oxygen gas + 25.81 Torr

Partial pressure of Oxygen gas = 749 Torr - 25.81 Torr = 723.19 Torr

Therefore the partial pressure of Oxygen gas in the mixture collected will be 723.19 Torr

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