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TEA [102]
3 years ago
5

Which of the following processes does our Sun and other stars in our galaxy use to create energy?

Chemistry
1 answer:
Usimov [2.4K]3 years ago
5 0

Answer:

fusion reaction

The simple answer is that the sun, like all stars, is able to create energy because it is essentially a massive fusion reaction. Scientists believe that this began when a huge cloud of gas and particles (i.e. a nebula) collapsed under the force of its own gravity – which is known as Nebula Theory.

Explanation:

hope this helps

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Methylamine (ch3nh2) is a weak base. at equilibrium, which expression equals the base dissociation constant (kb) of methylamine?
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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Below are the choices that can be found elsewhere:

a. [CH3NH-] * [OH-] / [CH3NH3+] 
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<span>c. [CH3NH3+] * [OH-] / [CH3NH2] </span>
<span>d. [CH3NH3+] * [OH-] / [CH3NH2] * [H2O] 
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The answer is C. 
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Solution
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leonid [27]

Answer:

B

Explanation:

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If the statement is true, select True. If it is false, select False.
astraxan [27]
Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.
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When magnesium carbonate, MgCO2, reacts with nitric acid, HNO3, it forms magnesium nitrate, Mg(NO3)2, and carbonic acid, H2CO3.
d1i1m1o1n [39]

Answer:

C) double-replacement and decomposition.

Explanation:

Double replacement reaction or double displacement reaction is defined as a chemical process involving the exchange of bonds between two non-reacting chemical species resulting in the creation of products with bonding affiliations.

Equation of the reaction

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