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djverab [1.8K]
3 years ago
5

Please answer the “(fill-in)” ones thank you :)

Chemistry
1 answer:
Dovator [93]3 years ago
8 0

Answer:

look

Explanation:

diffculte ou my good i need help too

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Which can occur during a physical change? (Select all that apply.)
koban [17]

Answer:

the shape of a piece of matter can change

7 0
3 years ago
Identify the gas law that applies to the following scenario: A 36.5 liter balloon holding 2.9 moles of carbon dioxide leaks. If
jarptica [38.1K]

Answer:

Avogadro's Law; 15.1L

Explanation:

Boyle's Law- Pressure and volume are <u>inversely</u> related, so an increase in pressure= decrease in volume. We see this in the equation P1V1=P2V2.

Charle's Law- Gas expands/increases in volume when temperature increases, so they are <u>proportional</u>. We see this in the formula \frac{V1}{T1} = \frac{V2}{T2}.

Guy-Lussac's Law-  As temperature increases, pressure increases, so they are <u>proportional</u>. We see this in the formula \frac{P1}{T1} = \frac{P2}{T2}.

Avogadro's Law- There are equal amount of volume have an equal amount of moles, so they are proportional. We see this in the formula \frac{V1}{n1} = \frac{V2}{n2}.

Plugging in the values based on Avogadro's Law, we'll have:

\frac{36.5}{2.9} = \frac{V2}{1.2}

12.6 = \frac{V2}{1.2}

12.6 x 1.2 = V2

15.1L =V2

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3 years ago
Endothermic or exothermic- grass growing in a lawn.
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Answer:

endothermic

Explanation:

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If I have 0.75 moles of gas at a temperature of 105 K and a pressure of 3.75 atmospheres, what is the volume of the gas
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the volume is 20 just subtract

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How do ozone molecules form in the stratosphere?
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Sunlight breaks apart an oxygen molecule to form separate oxygen atoms <span />
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