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Pepsi [2]
3 years ago
14

Which of the following is not an example of a chemical change?

Chemistry
1 answer:
kaheart [24]3 years ago
8 0

The answer is A. Melting snow because it is a physical change because you can then trun around and make it snow again

Physical change you can turn it back to the original

Chemical you can not

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Extra points!
noname [10]

Answer:

1A

2B

3B

4A

Explanation:

3 0
3 years ago
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How many moles of neon gas are there 25.0 L of gas or 5.0°C with a pressure of 89.9 KPa?
vladimir2022 [97]
  • Volume=25L
  • Temperature=5°C
  • Pressure=89.9kPa

Now

\\ \rm\rightarrowtail PV=nRT

\\ \rm\rightarrowtail n=\dfrac{PV}{RT}

\\ \rm\rightarrowtail n=\dfrac{89.9(25)}{5R}

\\ \rm\rightarrowtail n=89.9(5)/R

\\ \rm\rightarrowtail n=449.5/R mol

8 0
2 years ago
What is the name of the process by which plants convert the light energy of the sun into chemical energy?
docker41 [41]
The process is called photosynthesis.

3 0
3 years ago
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What number represents neutral?
Semmy [17]
7. Neutralisation. Which would (obviously) appear GREEN on the chart.
4 0
3 years ago
FREE BRAINLIEST (TO THE FIRST PERSON THAT ANSWERS) AND 20 POINTS
Art [367]

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Explanation:

6 0
3 years ago
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