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harkovskaia [24]
4 years ago
7

How does critical mass play a role in nuclear reactions?

Chemistry
2 answers:
Nadya [2.5K]4 years ago
6 0
When a nuclear chain reaction in a mass of fissile material is self-sustaining, the mass is said to be a in a critical state in which there is no increase or decrease in power, temperature, or neutron population
Agata [3.3K]4 years ago
3 0

Answer:

It is the minimum amount of material needed to sustain a fission reaction.

Explanation:

Im big brain, you smoll brain

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Does a laboratory balance measure mass or weight
kolezko [41]
A balance in a lab measures the weight of a substance or object.
Weight is the mass of the body x the gravitation pull on the mass of the object.

So the mass of the object can be found by dividing the weight by gravitational constant.

The gravitational constant on earth is 1. so if a balance says that a substance weighs 300g then its mass is also 300g on earth because 300/1 = 300.

Hope that helps :)
5 0
4 years ago
There are 64 pretzels in a 16-ounce bag how many proportion would be in a 5-ounce bag?
qwelly [4]

Answer:

20 pretzels.

Explanation:

So in the first bag there at 64 pretzels in 16-ounces.

We can divide both these numbers by 16, to get 4 pretzels per ounce.

If we multiply both numbers by 5, we get 20 pretzels per ounces.

So, 20 pretzels i5-ounce bag.

3 0
3 years ago
What is the only type of mixture that has particles that dissolve and are transparent
ratelena [41]
A solution


Explanation: A solution is always transparent, light passes through with no scattering from solute particles which are molecule in size.
6 0
3 years ago
Can u help me we promise u that we will follow u
Elena L [17]

B, water and ice are the main causes .

3 0
4 years ago
The student then emptied the flask and dried it once again. To the empty flask she added pieces of a metal until the flask was a
Anuta_ua [19.1K]
Mass of metal = mass of the flask and stopper with metal - mass of the flask and stopper empty

As per the data given:


Mass of the flask and stopper with metal = 144.076 g


Mass of the flask empty: you did not includ this information, but I searched it and found that the mass of the flask and stopper is 33.695 g


Then, the anwser is:

mass of metal = 144.076 g - 33.695 g = 110.381 g
7 0
3 years ago
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