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Nonamiya [84]
3 years ago
6

A student wants to perform an experiment to study the relationship between the temperature and pressure of an enclosed gas. In o

ne or two sentences, describe two assumptions that must be made in performing this experiment.
Chemistry
1 answer:
hram777 [196]3 years ago
7 0

Think of a sealed container

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Answer: The statement is not correct because the decrease in entropy of the hot solid CANNOT BE equal to the increase in entropy of the cold one

Explanation:

Let us start by stating the second law of thermodynamics and it the second law of thermodynamics states that there is an entity called entropy and entropy will always increase all the time. Also, the second law of thermodynamics states that the change in entropy can never be negative. The second law of thermodynamics can be said to be equal to Change in the transfer of heat, all divided by temperature.

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Therefore, the decrease in entropy of the hot solid CANNOT BE equal to the increase in entropy of the cold one because entropy is not a conserved property.

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3 years ago
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How do the number of electrons in the second energy shell of an atom change going across period 2 in the periodic table?
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Across the periods (horizontal direction) in periodic table, each element has one more electron then the one before it. The number of period determines the number of occupied electron shells of the elements in that period. Which means, period 1 elements have 1 occupied electron shell, period 2 has 2, period 3 has 3 etc.

Therefore, the answer is A, we always go from left to right, and plus since period 2 elements only have 2 occupied electrons so their 2nd electron shell electrons must increase throughout the period.
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