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Rashid [163]
3 years ago
5

A process that is a physical change.

Chemistry
1 answer:
Misha Larkins [42]3 years ago
5 0
Sndkkss smlssllslzlzlzlslzlslzlzlslzls
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When there are no decomposers, what happens to the grass?
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Answer:

if there would have been no decomposers on Earth, the whole of the Earth would have been filled with dead and decaying matter of plants and animals.

Explanation:

I hope this helps :3

6 0
3 years ago
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How do you express 0.00026 in scientific notation
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2.6x10negative4power 2.6x10^-4
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Before the work of Albert Einstein and other prominent scientists of the early 1900's, the predominant view among
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A wave.

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3 0
2 years ago
The chemical equation below shows the formation of aluminum oxide (Al2O3) from aluminum (Al) and oxygen (O2).
Rufina [12.5K]

Answer:

Mass = 182.4 g

Explanation:

Given data:

Number of moles of Al₂O₃ = 3.80 mol

Mass of oxygen required = ?

Solution:

Chemical equation:

4Al + 3O₂    →       2Al₂O₃

Now we will compare the moles of aluminum oxide and oxygen.

                Al₂O₃           :           O₂

                   2               :            3

                 3.80            :         3/2×3.80 = 5.7

Mass of oxygen:

Mass = number of moles × molar mass

Mass = 5.7 mol × 32 g/mol

Mass = 182.4 g

4 0
2 years ago
4. Imagine you have a radioactive sample containing both Virtualium and decayed atoms of Virtualium. After analysis, you find it
Romashka [77]

My sample would be 4000 years old because on my graph, I had about 9 Virtualium left at trial 4 so I am guessing that it would be 4000 years old.

7 0
3 years ago
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