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aksik [14]
3 years ago
7

When you are done using the glassware from a kit, what should you do?

Chemistry
1 answer:
lakkis [162]3 years ago
3 0

Answer:

A. Wipe down the glassware to remove any cleaning solvent.

Explanation:

· Remove stoppers and stopcocks when they are not in use. Otherwise, they may "freeze" in place. You can de-grease ground glass joints by wiping them with a lint-free towel soaked with ether or acetone. Wear gloves and avoid breathing the fumes. The deionized water rinse should form a smooth sheet when poured through clean glassware.

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Plants like the ones shown in the picture, that use seeds, flowers, or fruit for reproduction are A) flowering. B) invertebrates
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Plants like the ones shown in the picture, that use seeds, flowers, or fruit for reproduction are A) flowering.

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A directory of relatives' phone numbers

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3 years ago
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The number of significant figures in 369,132,000 is 6

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Answer: The pressure of the He is 2.97 atm

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{N_2}+p_{O_2}+p_{He}.

Given : p_{total} =total pressure of gases = 6.50 atm

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p_{O_2} = partial pressure of oxygen = 2.3 atm

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putting in the values we get:

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The pressure of the He is 2.97 atm

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