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Alex17521 [72]
3 years ago
10

When does nuclear fusion start during the life of a star?

Chemistry
2 answers:
Georgia [21]3 years ago
5 0

Once the temperature reaches 15,000,000 levels Celsius, nuclear fusion takes location in the center, or core, of the cloud. The high-quality heat given off by means of the nuclear fusion technique motives the gasoline to glow creating a protostar. This is the first step in the evolution of a star.

seropon [69]3 years ago
4 0

Answer:

Try searching this on google

Explanation:

I might have an answer but I am not entirely sure sorry I really tried to help but there is also an app called socractic it also helps with questions

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Model B: In this model the atom is a solid sphere that cannot be divided up into smaller
vivado [14]

Answer:

They are called corpuscles

Explanation:

5 0
3 years ago
What is an ion-ion intermolecular force?
Dafna1 [17]

Answer: Ion-ion forces, also known as ionic bonding, are the simplest to understand. These forces arise from the electrostatic attraction between two ions with opposite charges.

Explanation:

3 0
3 years ago
Substrate: N-benzoyl-L-tyrosine ethyl ester (BTEE) 0.001M
Anna71 [15]

Based on the dilution formula, 0.1 mL of the stock solution of the enzyme is required to prepare a 50-fold diluted enzyme in 0.01 M HCl.

<h3>How can 50-fold dilution of the enzyme be done?</h3>

The 50-fold dilution of the stock enzyme solution can be done by using the dilution formula to determine the given volume of the stock solution required.

The dilution formula is given below:

  • C1V1 = C2V2

where:

  • C1 = Initial concentration of enzyme
  • C2 = Final concentration of enzyme
  • V1 = Initial volume
  • V2 = Final volume

From the given data for the enzyme dilution;

C1 = 1

C2 = 1/50 = 0.02

V1 = x

V2 = 5 ml

Making V1 subject of formula in the dilution formula:

V1 = C2V2/C1

V1 =  0.02 * 5/1 = 0.1 mL

Therefore, 0.1 mL of the stock solution of the enzyme is required to prepare a 50-fold diluted enzyme in 0.01 M HCl.

Learn more about dilution at: brainly.com/question/24709069

#SPJ1

7 0
2 years ago
What is the viscosity and flammability of refinery gas?
Liono4ka [1.6K]
Hydrocarbons

Hope this helps :)
6 0
3 years ago
What is the mass of a sample of nitrogen trichloride containing 5,500 molecules?
quester [9]
The answer is A
explanation
7 0
2 years ago
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