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d1i1m1o1n [39]
2 years ago
5

Please answer these for my friend she has to turn it in today. will give brainly,five stars and thanks she will do the same

Chemistry
1 answer:
shepuryov [24]2 years ago
4 0

Answer:

Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.

Explanation:

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Chemical analysis shows that citric acid contains 37.51% C, 4.20% H, and 58.29% O. What is the empirical formula for citric acid
Fiesta28 [93]

The empirical formula for the citric acid is C₆H₈O₇

<h3>Data obtained from the question </h3>
  • Carbon (C) = 37.51%
  • Hydrogen (H) = 4.20%
  • Oxygen (O) = 58.29%
  • Empirical formula =?

Divide by their molar mass

C = 37.51 / 12 = 3.126

H = 4.2 / 1 = 4.2

O = 58.29 / 16 = 3.643

Divide by the smallest

C = 3.126 / 3.126 = 1

H = 4.2 / 3.126 = 1.34

O = 3.643 / 3.126 = 1.17

Multiply through by 6 to express in whole number

C = 1 × 6 = 6

H = 1.34 × 6 = 8

O = 1.17 × 6 = 7

Thus, the empirical formula for the citric acid is C₆H₈O₇

Learn more about empirical formula:

brainly.com/question/24818135

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2 years ago
Describe the benefits of using nanoparticles instead of other, larger technology.
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Answer:

it has  a huge surface-to-volume ratio, very high porosity and completely different physiochemical properties.

Explanation:

idk if the answer is good  !

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