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Pepsi [2]
3 years ago
12

Can someone's help me with this

Chemistry
1 answer:
labwork [276]3 years ago
7 0
Oh ok just wait a minute
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professor190 [17]

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4 0
3 years ago
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In the investigation "Comparing the Effects of the Products of Cellular Respiration
Marianna [84]

The solution changed color because the substances are not neutral.

<h3>pH</h3>

Chemical substances have different concentrations of the hydrogen cation, called PH.

The higher the pH, the more basic the substance, and the lower the more acidic.

Bromothymol blue is a pH indicator that changes its color according to the pH of the substance, yellow for acid, blue for basic and green for neutral.

In the case of the reactions in question, we have the release of CO2 (acid) in combustion and in cellular respiration, changing the color of bromothymol blue to yellow.

Learn more about pH in: brainly.com/question/491373

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2 years ago
What do the elements in each pair have in common? k, kr be, mg ni, tc b, ge al, pb?
tensa zangetsu [6.8K]
The pairs are:
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4 0
3 years ago
Write balanced equation of carbon burning in air​
Ne4ueva [31]

Answer:

When carbon is burned in air, it forms carbon dioxide gas and releases a large amount of heat and some light:

C+O2= CO2+ heat+ light

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What natural and human made features can a map show? Give two examples of each.
Bess [88]
Natural: Land mounds, Rivers
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