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____ [38]
3 years ago
11

Which statements correctly describe the process of nuclear fusion? It happens only to large atoms. It occurs naturally in the Su

n. It releases a large amount of energy. It bonds atoms together to create molecules. It involves the joining of two atomic nuclei.
Chemistry
2 answers:
Tanzania [10]3 years ago
4 0

Answer:

-It occurs naturally in the Sun.

-It released a large amount of energy.

-It involves the joining of two atomic nuclei.

dusya [7]3 years ago
3 0

Answer:

A,C,E

Explanation:

PLATO

God Bless

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The first step is to find the number of moles of Mg in 4.03g of Mg.  You can do this by dividing 4.03g Mg by its molar mass (which is 24.3g/mol) to get 0.1658mol Mg.  Then you have to find the number of moles of O₂ that will react with 0.1658mol Mg.  To do this you need to use the fact that 1mol O₂ will react with 2mol Mg (this reatio is from the chemical equation) so you have to multiply 0.1658mol Mg by (1mol O₂)/(2mol Mg) to get 0.0829mol O₂.  From here you would usually use PV=nRT and solve for V However, the question tells us that we are at STP, that means you can use the fact that 22.4L of gas is 1 mol of gas at STP.  Using that information we can find the volume of O₂ gas by mulitlying 0.0829mol O₂ by 22.4L/mol to get 1.857L which equals 1857mL.
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I hope this helps. Let me know in the comments if anything is unclear.
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