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denis-greek [22]
3 years ago
14

Low temperature heat which is lost is not usable for work. TrueFalse

Chemistry
1 answer:
Luden [163]3 years ago
8 0

Answer:

true

Explanation:

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4 years ago
A fat is composed, in part, of long chains of carbon and hydrogen. This fat as a molecular
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Answer:

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Explanation:

Hello!

In this case, since the molar mass of the empirical formula is:

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3 years ago
A mixture of methane and carbon dioxide gases contains methane at a partial pressure of 431 mm Hg and carbon dioxide at a
KatRina [158]

Answer:

XCH₄ = 0.461

XCO₂ = 0.539

Explanation:

Step 1: Given data

  • Partial pressure of methane (pCH₄): 431 mmHg
  • Partial pressure of carbon dioxide (pCO₂): 504 mmHg

Step 2: Calculate the total pressure in the container

We will sum both partial pressures.

P = pCH₄ + pCO₂

P = 431 mmHg + 504 mmHg = 935 mmHg

Step 3: Calculate the mole fraction of each gas

We will use the following expression.

Xi = pi / P

XCH₄ = pCH₄/P = 431 mmHg/935 mmHg = 0.461

XCO₂ = pCO₂/P = 504 mmHg/935 mmHg = 0.539

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3 years ago
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