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maks197457 [2]
2 years ago
7

Does the air pressure change more quickly at higher altitudes or at lower altitudes

Chemistry
1 answer:
marusya05 [52]2 years ago
3 0
Pressure decreases with increasing altitude. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.
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A student estimated the volume of a liquid in a beaker as 200.0 mL. When she poured the liquid into a graduated cylinder she MEA
Taya2010 [7]

Answer:

<h3>The answer is 0.91 %</h3>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual volume = 198.2 mL

error = 200 - 198.2 = 1.8

So we have

P(\%) =  \frac{1.8}{198.2}  \times 100 \\  = 0.90817356205...

We have the final answer as

<h3>0.91 %</h3>

Hope this helps you

6 0
3 years ago
Why did scientists need to establish an international language for elements
Liono4ka [1.6K]
If they didn't, they wouldn't be able to communicate their findings effectively. An international language is especially important for elements because many elements have similar properties (e.g. some of the transition metals).
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3 years ago
Given 700 ml of oxygen at 7 ºC and 80.0 cm Hg pressure, what volume does it take at 27 ºC and 50.0 cm Hg pressure?
katen-ka-za [31]

Answer:

I think that it might be 2.7

Explanation:

7 0
3 years ago
Why do cold blooded animals go for hibernation?​
shutvik [7]

Answer:

because they cannot keep their body temperature constant.

3 0
2 years ago
Volume of the sample?
galina1969 [7]
Volume of water plus sample minus volume of water in graduated cylinder
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