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Darina [25.2K]
3 years ago
13

In your opinion, will all the objects in the Universe last forever? Justify your answer.​

Chemistry
1 answer:
Alona [7]3 years ago
6 0

Answer:

Maybe (yes/no)

Explanation:

Cause some theories about the end of the universe. The fate of the universe is determined by its density. The preponderance of evidence to date, based on measurements of the rate of expansion and the mass density, favors a universe that will continue to expand indefinitely, resulting in the "Big Freeze" scenario below.

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3 years ago
Neon is an inert gas and has the atomic number of 10. Which of the following correctly depicts its electron configuration? 1s22d
Cloud [144]
10 Ne:

1s², 2s², 2p⁶

Answer C

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8 0
4 years ago
Filtration definition 
dezoksy [38]

Answer:

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8 0
3 years ago
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The coefficients in a balanced chemical equation represent
jolli1 [7]
(l ) the mass ratios of the substances in the reaction
<u>(2) the mole ratios of the substances in the reaction</u>
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6 0
4 years ago
The first part of a balanced chemical equation for a chemical reaction is shown below:
Bond [772]

Answer:

The answer to your question is 6

Explanation:

Data

              Cu  +  2AgNO₃   ⇒  

To find the answer, count the number of each element in the reactants

Element                Quantity

Copper                        1

Silver                           2

Nitrogen                      1

Oxygen                        6

Then, in the products, there must be 6 oxygens so in the products there must be 6 oxygens so the reaction is balanced.              

8 0
3 years ago
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