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shepuryov [24]
3 years ago
6

Jamiah drops a ball from 20 meters high. Then she drops the same ball 40 meters high. Which has more potential energy

Chemistry
1 answer:
marta [7]3 years ago
3 0
I don’t know the answer to this sorry
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Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same temperature. Tell whether each of th
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Answer:

c. The N2 molecules collide more frequently with the walls of the flask than do the Ar atoms.

Explanation:

The statements are:

a. There are more molecules of N2 present than atoms of Ar. <em>FALSE</em>. Because 1 mol of molecules of N2 = 28g and 1 mol of molecules of Ar = 40g. As there are equal MASSES, you will have more molecules of N2 than Ar molecules

b. The pressure is greater in the Ar flask. <em>FALSE</em>

Because pressure is directly proportional to amount of molecules. As molecules N2 > Molecules Ar. The pressure is greater in N2 flask

c. The N2 molecules collide more frequently with the walls of the flask than do the Ar atoms. <em>TRUE</em>

The collision probability of N2 is higher because there are more molecules presents

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3 years ago
Explain why Michelle Johnston says lionfish are the most sustainable fish you can order on a menu
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Answer: Lionfish, which are covered in venomous spines, are such successful invaders because they can tolerate a variety of habitats and they reproduce at alarming rates. They also have a voracious appetite and aren't too picky about what they eat. Also, lionfish are sustainable by catching it's prey.

Explanation: Pls mark me as Brainiest. Your answer is here. If you want to learn more about lionfish, copy and paste this link right here: https://sanctuaries.noaa.gov/news/may15/lionfish-invasion.html

Thank you.

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3 years ago
In which material would the particles be closest together?
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