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lana [24]
3 years ago
11

Which of the following is an example of a decomposition reaction

Chemistry
1 answer:
Snezhnost [94]3 years ago
8 0
HgO--> Hg + O2 Decompostion can spilt one compound into two parts or more pieces. These pieces can be elements or simpler compounds.
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Why do farmers spray water over their crops before a frost?
Nezavi [6.7K]

Answer:

When water freezes and turns into ice, it releases latent heat. Then, the ice that builds up on the plant will insulate it from the colder surrounding air temperatures. Because of this, some growers choose to spray their crop with water before the freeze occurs.

Explanation:

5 0
3 years ago
??? Ipc helppp pllzz
Umnica [9.8K]
The correct answers are
-formation of a precipitate
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-color change
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The only one that isn’t correct is change in state of matter. A change in a state of matter does not mean it’s a chemical change. For example, water boiling so it turns into gas is not a chemical change, and is a physical one. Also, water can freeze and turn into ice, which is also still a physical change. If something changes state of matter, it does not necessarily mean it’s a chemical change.
5 0
2 years ago
What is the full number for 5.7x10^4
dsp73

Answer:

5.7*10^4 is equal to 57,000.

Explanation:

First, we must multiply 10 by its power, 4. That would be 10 4 times.

10*10*10*10 = 10,000.

Then, we multiply it by 5.7.

5.7*10,000 = 57,000.

Regards!

3 0
3 years ago
Please help, I'll give 5 stars and brainliest!
Bezzdna [24]
Huh. Is this supposed to be biology?
8 0
2 years ago
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If the half-life of an element is 150 years, how much of a 400 gram sample would remain in 750 years?
photoshop1234 [79]

Answer:

y

Explanation:

5 0
3 years ago
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