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Vikentia [17]
3 years ago
14

Which of the following provides cell support in an animal cell? A. microtubule B. mitochondria C. lysosomes D. vacuole

Chemistry
1 answer:
Viktor [21]3 years ago
4 0

Answer:

D.

Vacuole

Explanation:

Hope this helps:)

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Why is Dalton credited with proposing the first atomic theory if Democritus was talking about atoms almost 2,200 years earlier?
german
Democritus *suggested* the existence of the atom, that everything was made up of tiny particles, but wasn't really able to get more specific than that. Dalton also theorized that everything was made up of indivisible particles, but went further basing his theory on actual scientific principles, such as the Law of Conservation of Mass and the Law of Constant Composition. He also said that atoms weren't created or destroyed in a chemical reaction, just rearranged.  There's more to it than that, but basically, Dalton's theory was based more on science while Democritus' theory was too general to be useful in chemical situations.
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2 years ago
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What is the charge on an atom after it gains two electrons during the formation of a bond?
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Answer:

negative or neutral

Explanation:

electrons have a negative charge

  • the atom can be balanced by the negative charge if it was at two protons before

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Which items are directly related to radioactive decay
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E=mc^2 and mass defect
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What kind of frog is this!?
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This kind of frog is an anaxyrus fowleri
4 0
3 years ago
For which of the following molecular formulas is the formula shown in parentheses the correct empirical formula? (a) C12H22O11 (
Elodia [21]

Answer:

C₁₂H₂₂O₁₁ (C₁₂H₂₂O₁₁ ).

Explanation:

The empirical formula is obtained when we divide the molecular formula with a whole number giving the simplest ratio of all the elements (in whole number).

a) C₁₂H₂₂O₁₁ :

There is no number with which we can divide the ratio further to get a simpler formula hence the molecular formula of the given compound is the empirical formula of the compound. Hence it is correct.

(C₁₂H₂₂O₁₁),

(b) C₈H₁₂O₄

The empirical formula can be obtained by dividing the formula with "4"

The empirical formula would be

(C₂H₃O)

(c) H₂O₂

The empirical formula would be (H₁O₁)

8 0
3 years ago
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