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Debora [2.8K]
3 years ago
15

PLEASE HELP(2 questions)!!!!! BRAINLIEST IF FIRST AND CORRECTLY ANSWERED!!!

Chemistry
1 answer:
professor190 [17]3 years ago
8 0
D
B
those are the correct answers
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This earth system contains water and warms the atmosphere.
sleet_krkn [62]

Answer:

D

Explanation:

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Living organisms need energy to carry on their life processes. Photosynthesis is a process that allows for photosynthesizing org
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the correct combo is C

We know sunlight is key factor in photosynthesis so A and D are out.

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3 organisms that help prevent infections
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8 0
3 years ago
Calculate the volume of 11 g of CO2 at NTP ?​
Kitty [74]
<h3>Answer:</h3>

5.6 Liters

<h3>Explanation:</h3>
  • N.T.P. refers to the standard temperature and pressure (S.T.P).

We need to know that;

  • One mole of a gas occupies a volume of 22.4 liters at N.T.P.

In this case;

We have 11 g of CO₂

But, 1 mole of CO₂ occupies 22.4 l at N.T.P.

1 mole of CO₂ = 44 g

Therefore;

44 g of CO₂ = 22.4 liters

What about 11 g ?

= (11 g × 22.4 l)÷ 44 g

= 5.6 l

Therefore, 11 g of CO₂ will occupy a volume of 5.6 liters at N.T.P.

8 0
3 years ago
A student places a beaker on a hot plate. To the beaker, he adds a clear liquid and a white powder. The mixture instantly begins
Elenna [48]
True, because if it wasn't a chemical reaction it would have proceeded to stay the same. but it begins to bubble.
sorry if this isn't the best answer I'm trying my best.
7 0
4 years ago
Read 2 more answers
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