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Pie
3 years ago
14

Everyone needs a certain number of ____________ to meet their daily energy needs.

Chemistry
1 answer:
Ganezh [65]3 years ago
8 0

Answer:

The answer is calories.

The average human being needs 2000 calories for them to be energized.

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Powerful_____________________________ in nature, such as wind, temperature, and ice, can exert enough pressure to cause the wall
stich3 [128]

Answer:

I believe forces would be the word you are looking for.

Explanation:

I hope this is what you needed, have a great day! (;

3 0
3 years ago
Number 8 is the problem I need help on. Please help!
Marina86 [1]
Take a look at this and let me know if you've any doubts further!

7 0
3 years ago
Air trapped in a cylinder fitted with a piston occupies 145 mL at 1.08 atm
pav-90 [236]

Answer: 0.0014 atm

Explanation:

Given that,

Original pressure of air (P1) = 1.08 atm

Original volume of air (T1) = 145mL

[Convert 145mL to liters

If 1000mL = 1l

145mL = 145/1000 = 0.145L]

New volume of air (V2) = 111L

New pressure of air (P2) = ?

Since pressure and volume are given while temperature is held constant, apply the formula for Boyle's law

P1V1 = P2V2

1.08 atm x 0.145L = P2 x 111L

0.1566 atm•L = 111L•P2

Divide both sides by 111L

0.1566 atm•L/111L = 111L•P2/111L

0.0014 atm = P2

Thus, the new pressure of air when the volume is decreased to 111 L is 0.0014 atm

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3 years ago
PLEASE HELP!! What happens when nitrogen fills its valence shell?
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In which process are glucose and oxygen the reactants?
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