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Ann [662]
4 years ago
7

Which phrase describes air density? A. increases as altitude increases B, equals mass divided by volume C. pushes molecules in o

ne direction D. exerts less pressure as it increases
Chemistry
2 answers:
Alenkinab [10]4 years ago
5 0

Answer: The answer is B: equals mass divided by volume.

just did the quiz

hope this helps :D

salantis [7]4 years ago
3 0

Answer:

B

Explanation:

Did the unit test on edge 2020

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How many moles are in 75 grams of Cl?
laila [671]

Answer:

1.06 mol  

Explanation:

\text{Moles of Cl}_{2} = \text{75 g Cl}_{2}\times \dfrac{\text{1 mol Cl}_{2}}{\text{70.91 g Cl}_{2}} = \text{1.06 mol Cl}_{2}

7 0
3 years ago
one mole of sodium chloride is added to 100 ml of water in beaker a. one mole of glucose, c6h12o6, is added to 100 ml of water i
Viefleur [7K]

Twice as much more will the freezing point of water be lowered in beaker a than in beaker b.

<h3>What determines freezing point?</h3>

A liquid's freezing point rises if the intermolecular interactions between its molecules are strong. The freezing point, however, drops if the molecules of inter - molecular are minimal. The process through which a substance transforms from a liquid into a solid is known as freezing.

<h3>How significant is freezing point?</h3>

Freezing points play a big role in occupational safety. A chemical may perhaps turn harmful if held below its freezing point. A critical safety benchmark for assessing the effects of worker exposure to cold environments is the freezing point.

To know more about Freezing point visit:

brainly.com/question/2292439

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5 0
1 year ago
You need to determine the mass of an aqueous solution. You determine the mass of your 10.0 mL graduated cylinder to be 23.731 g.
Amanda [17]

Answer: 0.86g/mL

Explanation:

Mass of empty cylinder = 23.731g

Mass of cylinder + liquid = 26.414g

Mass of the liquid = 26.414 — 23.731

= 2.683g

Volume of the liquid = 3.12mL

Density = Mass / volume

Density = 2.683g / 3.12mL

Density = 0.86g/mL

3 0
3 years ago
After you join and transfer electrons, what is the number of electrons you
Maurinko [17]

Answer:

2220/1110/

Explanation:

8 0
3 years ago
Which of the following is NOT a reason that carbon is the basis of organic chemistry? Question 3 options:
mina [271]
I believe the best reason as for why carbon is the basis of organic chemistry would be D. Carbon can bond with hydrogen.
5 0
4 years ago
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