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12345 [234]
3 years ago
10

PLEASE HURRY I NEED THE ANSWER TODAY

Chemistry
2 answers:
Anika [276]3 years ago
8 0

Answer:

The correct answer is D

"An object with kinetic energy can only move for certain amount of time and then it stops."

Explanation:

I took the test, I got this question wrong because I listened to the other answer, (Sorry Kwameplayz) but thankfully I had 3 attempts. I did it again and this was the correct answer.

Hope I could help! :)

ludmilkaskok [199]3 years ago
6 0

Answer:

A or B

Explanation:

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How does Dr. Hayes' and Dr. Malaska’s research differ? Why are both research projects important?
kati45 [8]

Answer:

Answer:  What can experiments in a lab tell us about substances on Titan? Experiments in a lab can tell us that the lake did not evaporate in 2007 because the molecular attraction was a lot stronger, then it got weaker overtime.

How does Dr. Hayes' and Dr. Malaska’s research differ? Why are both research projects important? Their research differs because they were both talking about different things, Hayes was talking about how many lakes there were, while Malaska's was doing more hands on stuff like experiments. Both are important because we need to learn how the lakes formed, but we also need to do hands on experiments.

Explanation:

6 0
2 years ago
The student plans to conduct a spectrophotometric analysis to determine the concentration of Cu2+(aq) in a solution. The solutio
Lelechka [254]

Answer:

The wavelength the student should use is 700 nm.

Explanation:

Attached below you can find the diagram I found for this question elsewhere.

Because the idea is to minimize the interference of the Co⁺²(aq) species, we should <u>choose a wavelength in which its absorbance is minimum</u>.

At 400 nm Co⁺²(aq) shows no absorbance, however neither does Cu⁺²(aq). While at 700 nm Co⁺²(aq) shows no absorbance and Cu⁺²(aq) does.

6 0
3 years ago
Which one is it ? I need help
Lostsunrise [7]
It would 3 because if you read it tells you the answer
8 0
2 years ago
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the answer is the nature of science

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Which of the following sentences describes oxygen at room temperature? (check all that apply)
Degger [83]

At room temperature, O2 is in gaseous state.

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Thus

It has no definite volume and takes the shape of its container.

Its particles move fast enough to overcome the attraction between them.: the gas molecules have minimum intermolecular interactions and have high kinetic energy.

It has more energy than it would at a cooler temperature: the kinetic energy of gas molecules increases with increase in temperature. Thus the energy increases with temperature and decreases with decrease in temperature.


5 0
3 years ago
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