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Neporo4naja [7]
3 years ago
13

The universe cooled after the Big Bang. At some point, hydrogen atoms combined to form helium. What is this process called?

Chemistry
2 answers:
Vladimir [108]3 years ago
8 0
In the basic Hydrogen fusion cycle, four Hydrogen nuclei (protons) come together to make a Helium nucleus. This is the simple version of the story. There are actually electrons, neutrinos and photons involved that make the fusion of Hydrogen into Helium possible.
LiRa [457]3 years ago
4 0
This process is called as Nuclear Fusion
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A solution that is able to dissolve additional solute is best described as
worty [1.4K]
<h2>Question:</h2>

  • A solution that is able to dissolve additional solute is best described as _____.

<h2>Answer:</h2>

<h2>D.) Unsaturated </h2>

  • <u>Unsaturated</u> means the substance is poured into the solvent that can be dissolved. It is a solution (with less solute than the saturated solution) that completely dissolves, leaving with no remaining substances.

<h2>For example:</h2>

  • If you were to pour olive oil into a glass of water, it will dissolve, so it is <u>unsaturated</u>.

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#LetsStudy

6 0
3 years ago
A rock has a density of 3.75g/cm3 and a mass of 26g. What is the volume of the rock?
Lemur [1.5K]

Answer:

<h3>The answer is 6.93 cm³</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}  \\

From the question we have

volume =  \frac{26}{3.75}  \\  = 6.93333333...

We have the final answer as

<h3>6.93 cm³</h3>

Hope this helps you

8 0
3 years ago
Explain a plastic gayer
yan [13]

Answer:   seach it up

Explanation:

3 0
2 years ago
Calculate the percentage mass of calcium chloride, CaCi^2​
Firdavs [7]

Answer: m-%(Ca) = 40.08 / 110.98

Explanation: molar mass of CaCl2 is 40.08+ 2·35.45 = 110.98

Think you have one mole substance. It contains 40.08 g Ca

7 0
3 years ago
What is the mass,in grams,of 1.20x10^25 atoms of calcium?
kow [346]
The mass of 1.20x10^25 atoms of Ca is 8000 grams
8 0
3 years ago
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