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Marizza181 [45]
3 years ago
5

Earth's atmosphere, which traps heat and radiation from the sun, helps to keep our temperature somewhat stable, even when we are

rotated away from the sun at night. Question 1 options: True or False
Chemistry
2 answers:
Serga [27]3 years ago
7 0

Answer:

true

Explanation:

mark me brainliest

Elis [28]3 years ago
6 0

Answer:

It is true

Explanation:

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After reading the list of physical properties above, you realize that they are describing a substance that is a
Alecsey [184]

The answer is B

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3 years ago
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kvv77 [185]

Answer:

I think it's B " Constraints are more important than criteria ".

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What is 1 item that is a compound?<br><br>Give an example of how the 1 item is a compound :D
spayn [35]

Water

Water is a compound because it is made from more than one kind of element (oxygen and hydrogen).

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3 years ago
A vapor is which state of matter?<br><br> a. solid<br> b. liquid <br> c. gas<br> d. all of the above
Yanka [14]
A vapor is which state of matter?

C. Gas.
8 0
3 years ago
I NEED HELP PLEASE, THANKS!
ira [324]

Answer:

About 0.652

Explanation:

Because the reaction is balanced, we can go straight to the next step. The molar mass of potassium is about 39.098, while the molar mass of hydrogen gas is 2 and the molar mass of water is 18. Therefore, 25.5g of potassium would be about 0.652 moles, and 220 grams of water would be about 12.222 moles, making potassium the limiting reactant. Since there is a single unit of each compound on both sides of the equation, there would be an equal amount of moles of potassium and hydrogen, and therefore about 0.652 moles of hydrogen gas would be produced. Hope this helps!

6 0
3 years ago
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