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meriva
3 years ago
6

What elements are being fused in a main sequence star?

Chemistry
1 answer:
mezya [45]3 years ago
7 0

Answer is: hydrogen (H).

Main sequence stars fuse hydrogen atoms to form helium atoms in their cores.

About 90 percent of the stars in the universe are main sequence stars.

Nuclear reaction is in the inner core of the Sun and hydrogen is conveted into helium.

The inner core is the central region of the Sun and all solar energy is produced in the core by nuclear fusion.

You might be interested in
CO(g) + 3 H2(g) → CH4(k) + H2O(g) + heat
weqwewe [10]

Explanation:

AH is negative because the reaction gives out heat (exothermic).

AS is negative because the total entropy of the reactants is greater than that of the products (there are 4 moles of gas on reactant side compared to only 1 mole on the product side). Thus, the reactants are said to be "messier" than the products.

AG is negative at lower temperatures because at low temperatures, -TAS is more negative, resulting in the negative sign of AG.

Hope this helps.

8 0
3 years ago
Why can't antibiotics be used on viruses?​
kotykmax [81]
It can't be a viruses because it's a antibiotics
6 0
3 years ago
Which of the following statements is not true regarding physical properties and changes?
ratelena [41]
I think it is B, but i am not sure
8 0
4 years ago
Read 2 more answers
Rasheed calculates that his chemical reaction should produce 4 moles of product, but when he does the experiment, he gets only 3
Brut [27]

Answer:

The answer to your question is 75%

Explanation:

Data

Theoretical production = 4 moles

Experimental production = 3 moles

Percent yield = ?

Formula

Percent yield = \frac{Experimental production}{Theoretical production} x 100

Substitution

Percent yield = \frac{3}{4} x 100

Result

Percent yield = 75 %

8 0
3 years ago
EASYYYYYYY!!!!!!!!!!!!!!
eduard

Answer:

Agriculture was practiced for thousands of years without the use of artificial chemicals. Artificial fertilizers were first created during the mid-19th century. These new agricultural techniques, while beneficial in the short term, had an Institute of Plant Industry to improve traditional farming methods in India.

Explanation:

6 0
3 years ago
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