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Gala2k [10]
3 years ago
10

How does energy change when you eat food?

Chemistry
1 answer:
iris [78.8K]3 years ago
5 0
It changes to chemical energy
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PLEASEEEE HELP WILL MARK BRAINLIEST!!!
nevsk [136]

Answer:

C. One mole of water was produced from this reaction.

Explanation:

  • From the balanced equation:

<em>2H₂ + O₂ → 2H₂O,</em>

It is clear that 2 mol of H₂ react with 1 mol of O₂ to produce 2 mol of H₂O.

  • So, if one mole of hydrogen was used in this reaction:

1/2 mol of O₂ was used in the reaction, and

1 mol of water was produced from this reaction.

  • So, the correct statement is:

<em>C. One mole of water was produced from this reaction. </em>

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3 years ago
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What types of chemical reactions are needed to make the perfect s'more?
iren [92.7K]

Answer:

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Explanation:

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3 years ago
Mercury has a density of 13.6 grams/mL, what is this density in cg/L?
Firdavs [7]
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4 0
2 years ago
Substances that are readily combustible or may cause fire through friction
Dvinal [7]

Answer :

Flammable substances

Explanation :

<em>Flammable substances</em> will catch fire and continue to burn when they contact an ignition source like a spark or a flame.

For example, <em>methanol</em> is a flammable liquid.

A flammable solid may also catch fire through friction. <em>Matches</em> are flammable solids.

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Which of the following CANNOT be determined by looking at the spectra of a star? *
Rzqust [24]

Answer:

A:temperature

Explanation:

The temperature cannot be determined by looking at the spectra of the star due to lack of the equipment for its measurement. <em>On the other-hand, the remaining statements like the distance from earth, movement towards or away from earth can be determined.</em>

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