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Minchanka [31]
3 years ago
5

Theresa creates an experiment where she mixes two red-colored substances together in a container and observes the solution slowl

y changing from red to blue for the next eight minutes. The solution becomes completely blue after eight minutes. What does this represent about the type of change happening in the container? A chemical change started immediately and finished at eight minutes. A non-chemical change started immediately and finished at eight minutes. A chemical change occurred at four minutes. A non-chemical change occurred at four minutes.
Chemistry
2 answers:
Elza [17]3 years ago
8 0

Answer:

A

Explanation:

I did it on edge

Goshia [24]3 years ago
3 0

Answer: Answer (A)    

Explanation:

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Susanna was hiking in the mountains, and she discovered an interesting, shiny rock. She wondered if this sample was actually a r
Zigmanuir [339]

Answer:

Yes it is a mineral

Explanation:

Susanna has found a mineral because the five characteristics of a mineral are naturally occurring solid, crystal structure, forms by inorganic process, and definite chemical composition. Everything that was listed in the question describes the fact that its a mineral.

Brainliest would be appreciated :)

7 0
3 years ago
SHOW YOUR WORK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
WARRIOR [948]

Answer:

1.375%

Explanation:

Percent Error = measured value - accepted value/ accepted value x 100

Measured Value: 15.78

Accepted Value: 16.00

Work:

\frac{15.78-16.00}{16.00} * 100

\frac{-.22}{16} * 100 = -1.375

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4 0
3 years ago
An oxide and carbonate containing oxygen​
exis [7]

Answer:

example of carbonate containing oxygen :

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( calcium carbonate having 3 atoms of oxygen )

example of oxide containing oxygen :

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( carbon dioxide having 2 atoms of oxygen )

5 0
3 years ago
The height of a wave is called its amplitude. From the noises of the mosquito and the air boat, which aspect of sound is related
TEA [102]
The answer is The loudness of sound is related to its amplitude, this is off edmentum exactly so I advise changing up the wording. You can say something about the pitch or you can word it like, The sound of the wave is related to how loud the sound can be. Hope this helped
3 0
3 years ago
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What is the molar mass of Al(BrO2)
ivanzaharov [21]

Answer:

The molar mass is 138.8843 g/mol 

7 0
2 years ago
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