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Yanka [14]
3 years ago
8

If you have difficulty removing a ring from your finger, you usually lubricate your finger with oil or soap

Chemistry
1 answer:
Deffense [45]3 years ago
5 0

Answer:

Because oil reduces the friction between the surface of your ring and your finger.

Thus it helps you to remove your ring easily

Hope it helps

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The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The
Diano4ka-milaya [45]

The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The liquids separate into two distinct layers because hexane and water have different molecular polarities. The answer is number 2.

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3 years ago
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A standard soft drink can has a volume of 0.355 L. An empty can is sealed while
beks73 [17]

Answer:

0.35 atm

Explanation:

To solve this problem, we use Boyle's Law: P_1V_1=P_2V_2 , where P is the pressure and V is the volume.

Here, V_1 = 0.355 L, P_1 = 1.0 atm, and V_2 = 0.125 L. So, just plug these values into the equation:

(1.0) * (0.355) = P_2 * (0.125)  ⇒  P_2 ≈ 0.35 atm

Thus, the pressure is 0.35 atm.

Hope this helps!

8 0
3 years ago
A rock is found to have a mass of 200 g and a volume of 100 ml. what is the rock's density?
GaryK [48]
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2
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3 years ago
If three molecules of hydrogen react with one molecule of nitrogen, how many molecules of ammonia would be formed?
joja [24]

Answer:

The answer to your question is 2 molecules, or B(edg 2021).

Explanation:

edg 2021

8 0
3 years ago
How do ethical concerns effect scientist research?
mario62 [17]

Answer:

Hi there!

Your answer is:

Ethical concerns dictate everything about scientific research. They determine what can be researched, who it can be researched on, how the data will be presented, how long the subjects can be researched, and more. To get a research study approved by the Institutional Review Board, you need to abide by strong ethical codes. In conclusion, a researchers ethical standings determines everything about their study.

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3 years ago
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