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zaharov [31]
3 years ago
7

you have two samples of gray powder both which are flammable these are powders the same substance explain why ​

Chemistry
2 answers:
nasty-shy [4]3 years ago
7 0

The amount of matter stays the same between the substances,

Jet001 [13]3 years ago
5 0

Answer:it help in gravity

Explanation:

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BRAINLIEST TO CORRECT please answer part A, B, and C
Alenkinab [10]

Answer:

A

1. density and composition

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B.

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C.

box a I think

8 0
3 years ago
Which of the following describes ice changing the Earth's surface by erosion?
natita [175]

Answer:

I believe it is D, Heavy ice presses on sediment causing the formation of sedimentary rock

Explanation:

5 0
3 years ago
I'll be giving out brainliest to whoever chooses more than one!!!
Kruka [31]

I think it might be B, and A

8 0
3 years ago
Plutonium-240 decays according to the function \[Q(t)=Q _{o}e ^{-kt}\] where Q represents the quantity remaining after t years a
marishachu [46]
To answer the question above, substitute the given values to the given equation,
                                   Q(t) = Q x e^-kt
  
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Solving for t gives t = 9,987.38 years or approximately equal to 9,990 years. Thus, the answer is letter C.












4 0
3 years ago
Read 2 more answers
The process by which the movement of internal bonds converts one type of what organic compound into another is
nevsk [136]

Answer: It's is called Reaarrangement

Explanation:

Rearrangement is a chemic reaction in which an atom or group of atoms bond migrate from one carbon atom to another. The movement involves two adjacent atoms and move over a large distance. It is important in functional group transformation.

Reaarrangement can be classified based on the atom or group of atoms it migrate.

Nucleophilic rearrangement which involves the migration of atoms with electron pairs.

Electrophilic migration involved the migration of atom or groups without electron pair.

Free radical involves the atom or group of atoms moving with a lone pair of electron.

8 0
4 years ago
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