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yanalaym [24]
3 years ago
7

What force attracts any two pieces of matter in the universe?

Chemistry
1 answer:
Darya [45]3 years ago
3 0
Hi,

The answer is gravity.
The bigger the object is the more are other smaller objects attracted to it. The opposite of gravity is dark energy which keeps objects apart and accelerates expansion of the universe.

Hope this helps.
r3t40
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Which statement about chemical reactions is not true?
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Answer:

1: New atoms are formed as products

Explanation:

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Name the following <br> Cr(SO4)2
inessss [21]
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Commercial concentrated aqueous ammonia is 28% nh3 by mass and has a density of 0.90 g/ml. what is the concentration of ammonia
patriot [66]

Answer:- 14.9 M

Solution:- Given commercial sample of ammonia is 28% by mass. Let's say we have 100 grams of the sample. Then mass of ammonia would be 28 grams.

Density of the solution is given as 0.90 grams per mL.

From the mass and density we could calculate the volume of the solution as:

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To calculate the molarity we divide the moles of ammonia by the liters of solution:

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<span>40 20Ca this is the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation AZX</span><span />
3 0
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