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skad [1K]
3 years ago
5

Its due tomorrow answer as fast as u can

Chemistry
1 answer:
viktelen [127]3 years ago
5 0

Answer:

2. Plants and animals.

5. The layers have different ages with the youngest layer on top.

6. Sedimention.

7. The presence of unconformities.

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10 points. Please help.
ratelena [41]

Answer:

-191.7°C

Explanation:

P . V = n . R . T

That's the Ideal Gases Law. It can be useful to solve the question.

We replace data:

2.5 atm . 8 L = 3 mol . 0.082 L.atm/mol.K . T°

(2.5 atm . 8 L) / (3 mol . 0.082 L.atm/mol.K) = T°

T° = 81.3 K

We convert T° from K to C°

81.3K - 273 = -191.7°C

6 0
3 years ago
Read 2 more answers
When using the scientific method which step comes last
MA_775_DIABLO [31]

Answer:

proposing a hypothesis.

Explanation: Therefore the last step in the scientific method is proposing a hypothesis or obtaining a conclusion.

6 0
3 years ago
How do the solvent and solute differ in a solution
hodyreva [135]
A solution is a homogeneous mixture, meaning it contains 2 or more substances. A solute is a substance that’s dissolved in the solvent. Think of it as dissolving salt (solute) in water (solvent) to make a salt solution. The amount of each substance in the solution impacts the concentration of it. So if I put more salt than water, it increases its concentration, while adding more water decreases its concentration.
7 0
3 years ago
In the redox fueling reaction, succinate + nad ↔ fumarate + nadph, the succinate molecule is undergoing which process?
GarryVolchara [31]

The answer is oxidation.

That is in the redox fueling reaction,  

succinate + NAD ↔fumarate + NADPH, the succinate molecule is undergoing oxidation.

As succinate molecule is providing electrons to NAD, so that it can be reduced from NAD to NADPH. So it is losing electrons and undergoing oxidation.

So the answer is oxidation.

4 0
4 years ago
Calculate the mass of one atom of helium.​
mixer [17]

Answer:

One atom lf helium has a mass of 4 u

Know that 1 u =1.66. 10-24g

8 0
3 years ago
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