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igor_vitrenko [27]
2 years ago
12

1. Explain how and why stars appear to move through the sky throughout the night. Then, explain why Polaris does not move.

Chemistry
1 answer:
Bas_tet [7]2 years ago
3 0
Polaris the north star is very bright and it doesn’t move
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Round off the following numbers to the number of significant figures (sf) indicated.
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Answer:

a. 7.52

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c. 85

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Explanation:

significant number exempts 0 as a number which explains the last one. The two significant numbers there are 6 and 3

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Which would result in radioactive decay? Check all that apply
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6+2=115 and its good it took test



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Vlad1618 [11]

Answer:

ΔS> 0 means Letter A

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Processes that involve an increase in entropy of the system (ΔS > 0) are very often spontaneous; however, examples to the contrary are plentiful. By expanding consideration of entropy changes to include the surroundings, we may reach a significant conclusion regarding the relation between this property and spontaneity. In thermodynamic models, the system and surroundings comprise everything, that is, the universe, and so the following is true:

\displaystyle \Delta {S}_{\text{univ}}=\Delta {S}_{\text{sys}}+\Delta {S}_{\text{surr}}

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The motion of the molecules decreases.

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