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EleoNora [17]
2 years ago
6

Assuming that a sample of ethanol weighs 560 grams. What is the mass of hydrogen in grams for the sample?

Chemistry
1 answer:
Novosadov [1.4K]2 years ago
6 0

Answer:

BRO WHAT THEY ANSWER TO UR BUT NOT MINE OK

Explanation: I THINK THE ASNSWER IS C BUT NOT SURE.... HOPE IT HELPS

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The temperature and number of moles of a gas are held constant. Which of the following is true for the pressure of the gas?
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Answer:

Pressure is inversely proportional to the volume of gas.

Explanation:

According to Boyle's law,

The volume of given amount of gas is inversely proportional to the pressure applied on gas at constant volume and number of moles of gas.

Mathematical expression:

P ∝ 1/ V

P = K/V

PV = K

when volume is changed from V1 to V2 and pressure from P1 to P2 then expression will be.

P1V1 = K         P2V2 = K

P1V1 = P2V2

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Answer:

d

Explanation:

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A straight piece of wire is coiled to form a spring physical or chemical
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He diagram below represents part of the oxygen cycle.
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Answer:

The answer is C

Explanation:

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