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PSYCHO15rus [73]
3 years ago
11

Which statement accurately describes the origin and expansion of the universe? As the universe continues to expand, it gradually

gets warmer. Galaxies that are farther away are moving away more slowly. Cosmic background radiation is leftover thermal energy from the big bang. Stars and galaxies formed almost immediately after the big bang occurred.
Chemistry
2 answers:
irinina [24]3 years ago
7 0

Answer:C on EDG2020

Explanation:

dimulka [17.4K]3 years ago
5 0

The answer is; Cosmic background radiation is leftover thermal energy from the big bang.

Called the coming microwave background the  weak radiation fills the universe more or less uniformly. This radiation is the fossil remnants of the postulated big band at the beginning of the universe. The photos produced at the time continue to travel through the universe growing fainter over time and have fallen in the microwave range of the electromagnetic spectrum now.


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A. Increase in permafrost thickness

Explanation:

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How do you get the electron configuration for an anion?
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3 years ago
About 55L of a gas in a flexible container is under a pressure of 3.2 atm and at a temperature of 520K. What is the new volume o
vampirchik [111]

Answer:

30.62 L

Explanation:

From the question given above, the following data were obtained:

Initial volume (V₁) = 55 L

Initial pressure (P₁) = 3.2 atm

Initial temperature (T₁) = 520 K

Final temperature (T₂) = 760 K

Final pressure (P₂) = 8.4 atm

Final volume (V₂) =?

The final volume of the gas can be obtained as follow:

P₁V₁ / T₁ = P₂V₂ / T₂

3.2 × 55 / 520 = 8.4 × V₂ / 760

176 / 520 = 8.4 × V₂ / 760

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520 × 8.4 × V₂ = 176 × 760

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V₂ = 30.62 L

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