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Shkiper50 [21]
3 years ago
5

Help me, please

Chemistry
1 answer:
Finger [1]3 years ago
6 0
Put the marked magnet up to each side of the unmarked one. if they attract they are opposite -north attracts south, south attracts north- if they repel -forcefully push away- from each other they are the same -north and north, or south and south. once you have done that you can label the poles correctly.
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Increasing temperature makes a
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Answer:

High temperature increases the number of high energy collisions

Explanation:

Increasing the temperature a reaction takes place at increases the rate of reaction. At higher temperatures, particles can collide more often and with more energy, which makes the reaction take place more quickly.

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3 years ago
If 23.5 g of ammonia (NH3) is dissolved in 1.0 L of solution, what is the molarity?
r-ruslan [8.4K]

Answer:

1.38 M

Explanation:

Need to use the Molarity equation M=n/L

23.5g/ 17.031g/mol NH3 = 1.38 moles

1.38 moles/ 1.0 L = 1.38 M

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They are made up of particles that are arranged in a repeating pattern.
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More energy than atoms in a liquid state
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Which of the following is a measurement of an object's mass?
Brilliant_brown [7]

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