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KengaRu [80]
2 years ago
5

A person rides in an elevator.

Chemistry
2 answers:
g100num [7]2 years ago
5 0

Answer:

Normal force

Explanation:

normal force always perpendicularly points away from a surface

Diano4ka-milaya [45]2 years ago
5 0

Answer:

Persons force of gravity pulls up on the elevator

Explanation:

KHAN ACADEMY

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Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exert
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Answer: The given statement is true.

Explanation:

According to the Dalton's law, total pressure of a mixture of gases that do not react with each other is equal to the partial pressure exerted by each gas.

The relationship is as follows.

          p_{total} = \sum_{i=1}^{n} p_{i}

or,        p_{total} = p_{1} + p_{2} + p_{3} + p_{4} + ......... + p_{n}

where,  p_{1}, p_{2}, p_{3} ....... = partial pressure of individual gases present in the mixture

Also, relation between partial pressure and mole fraction is as follows.

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where,      x_{i} = mole fraction

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5 0
3 years ago
How would having too much sample in the melting point tube most likely affect the melting point measurement? Select the correct
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2-4 mm height of capillary tube.

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