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Ulleksa [173]
3 years ago
7

When a chemical change occurs _____.

Chemistry
1 answer:
sergij07 [2.7K]3 years ago
7 0

Answer:

d

Explanation:

i think its d but im not sure.

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4 NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)
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Answer:

0.9 moles of water

Explanation:

Use mole ratios:

5 : 6

divide by 5 on both sides

1 : 1.2

multiply by 0.75 on both sides

0.75 : 0.9

So the result is 0.9 moles of water

(Please correct me if I'm wrong)

5 0
2 years ago
What is the most important monosaccharide on Earth?
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Titan is one of Saturn's moon and they are interested in it because it has an atmosphere like Earth.
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This body system is where oxygen gas and carbon dioxide gas are exchanged in our body. *
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Answer:

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Explanation:

The function of the respiratory system is to move two gases. These two gases are called oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.

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3 years ago
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Cutting a piece of paper in half proves that solids have no definite shape.<br><br> True or False?
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8 0
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