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Sholpan [36]
4 years ago
10

What does Einstein's famous equation for nuclear energy, E = mc², mean?

Chemistry
1 answer:
Hunter-Best [27]4 years ago
7 0

mass and energy equivalence

Explanation:

Einstein's famous equation suggests that mass and energy are equivalent to one another.

This equation is mostly applicable in nuclear reactions in which mass is lost as energy.

                            E = mc²

   E is the energy

   m is the mass

    c is the speed of light

The more the mass, the more the energy produced. In nuclear reactions, mass is converted to energy.

Learn more:

Nuclear reactions brainly.com/question/4207569

#learnwithBrainly

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Carbon dioxide is released in________and taken in by plants in ______
alex41 [277]

Answer: A

Explanation:

Plants take in sunlight, water, carbon dioxide. The produce sugar (glucose) and other things. It could not be deforestation. It can't be evaporation, that is from the water cycle. It cant be C due to it talking about precipitation, which is also from the water cycle. Therefore, it can only be A

3 0
4 years ago
Which radioisotope is used to treat thyroid disorders?.
ArbitrLikvidat [17]

Answer:

I-123 and I-131

Explanation:

Radioactive iodine takes advantage of the fact that thyroid cells and thyroid cancer cells absorb iodine; therefore, it has been used to diagnose or treat various thyroid disorders. Iodine is made into two radioactive isotopes, I-123 and I-131, that are commonly used in patients with thyroid disease.

7 0
2 years ago
For the diprotic weak acid h2a, ka1 = 3.2 × 10-6 and ka2 = 6.1 × 10-9. what is the ph of a 0.0650 m solution of h2a? what are th
Stolb23 [73]
Given:

Diprotic weak acid H2A:
 
Ka1 = 3.2 x 10^-6
Ka2 = 6.1 x 10^-9. 
Concentration = 0.0650 m 

Balanced chemical equation:

H2A ===> 2H+  + A2- 
0.0650       0        0
-x                2x       x
------------------------------
0.065 - x     2x      x

ka1 = 3.2 x 10^-6 = [2x]^2 * [x] / (0.065 - x)

solve for x and determine the concentration at equilibrium. 


5 0
3 years ago
Substances that absorb energy in the form of heat are
Yanka [14]

Answer:

Substances that absorb energy in the form of heat are

b)endothermic.

hope it helps :)

7 0
3 years ago
Read 2 more answers
An atom has three full orbitals in its second energy level.
rewona [7]

Answer:

6

Explanation:

The maximum number of electrons in the orbitals of sub-levels are given as:

   for s-sublevel we have two electrons and one orbital

        p-sublevel we have six electrons and three orbitals

        d-sublevel we have ten electrons and five orbitals

       f- sublevel we have fourteen electrons and seven orbitals

The second energy level is represented by the p-sub-level and it will accommodate 6 electrons.

8 0
3 years ago
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