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cestrela7 [59]
3 years ago
15

Can anyone help me please?

Chemistry
1 answer:
Nady [450]3 years ago
5 0

10. Is A

11. Is D

12. Is D

13. Is B

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Elements, Compounds,& Mixtures,
mrs_skeptik [129]

Answer:

1. Elements: F, H, E

2. Compounds: A, D, I

3. Mixtures: B, C, G

Explanation:

3 0
3 years ago
Lile would not be possible on Earth without the water that covers much of its surface, and the air that surrounds it. Earth's wa
9966 [12]

Answer:

Option D:

evaporation from lakes and rivers

Explanation:

The water cycle is a natural cycle that shows how water moves and circulates within a natural environment. Water usually moves between the hydrosphere and the atmosphere through evaporation and condensation.

When water evaporates from the hydrosphere (the water bodies), it goes up into the atmosphere where it cools to become clouds. As more water evaporates, the clouds formed increase in mass. Once the clouds are too heavy to be held up in the sky, they fall down as precipitation (rain, snow, hail) into the water bodies and surrounding land below.

3 0
3 years ago
To eight significant figures, avogadro's constant is 6.0221367×1023mol−1. which of the following choices demonstrates correct ro
FrozenT [24]
6.0221367 rounded from the last digit would be 6.022137 but when using it calculations, you should just use 6.022 x 10^23.  
5 0
3 years ago
Read 2 more answers
A chemist uses 4.0 l of sulfuric acid solution to produce 3.2 gram of product. how much of the same sulfuric acid solution is ne
matrenka [14]
4 l ------ 3,2 g
x l ------ 8 g

x = 8 g × 4 l / 3,2 g = 10 l

Answer: 10 l of sulfuric acid is needed to produce 8 g of product.

:-) ;-)
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PLEASE HELP MY TEACHER IS GOING TO SEE ME AFTER CLASS
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Answer:

The Nucelous helps prevent bad cells in

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