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Zina [86]
3 years ago
13

How is the movement of particles in diffusion determined?

Chemistry
1 answer:
Andreas93 [3]3 years ago
3 0
The particles move from an area of high concentration, to an area of low concentration, until the distribution of particles is equal
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4.65 L of nitrogen at standard pressure is compressed into a 0.480 L container. What is the new pressure in kPa?
Semenov [28]
Assuming that nitrogen gas is ideal, we can use the equation PV = nRT to relate first conditions to the second condition. At constant temperature, pressure and volume are indirectly related as follows:

P = k / V

k is equal nRT

P1V1 = P2V2
P2 = 101.325 ( 4.65 ) / .480 = 981.586 kPa
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3 years ago
What is the molarity of a solution containing 60. grams of NaOH dissolved in 400. mL of water?
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Answer: 3.75 M

Explanation:

400 mL = 0.4 L

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Fynjy0 [20]

Yasir wanted to study the relationship between sleep and room color. So he has done all the background study required on the topic and arrived at a hypothesis that people fall asleep more rapidly in a room painted in blue color than in a room painted yellow. Yasir inquired several people which color they like better -yellow or blue- and used their feedback to decide whether his hypothesis was correct. There was no experiment conducted to observe the effect of a room color on sleep and the variables to be tested in the experiment were not properly identified.

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An experiment that directly tests the hypothesis

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3 0
2 years ago
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A hot cup of water has fewer molecules than a hot tub of water. This same cup of
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Explanation:

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