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ArbitrLikvidat [17]
3 years ago
15

Compare and contrast the fine and coarse adjustment knobs on a microscope

Chemistry
1 answer:
IceJOKER [234]3 years ago
8 0
The fine adjustment knob focuses an image. The coarse adjustment knod moves the slide up or down.
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16. The structure shown is representative of which substituted hydrocarbon?
Viktor [21]

Answer:

The answer is B. Ether

Explanation:

An atom of Oxygen between a carbon chain is called Ether

5 0
3 years ago
Convert 24.3 cm to mi<br> show equation
Lostsunrise [7]

Answer:

if you are talking about miles the answer would be is 0.0001509932(divided by 160934)

if you are talking about mililiters it would be 24.3(multiply times one)

hope this helps

8 0
3 years ago
What is the difference between a strong acid and a weak acid?
iren2701 [21]
I believe that the answer might be A. a<span> strong acid has a higher pH than a weak acid.</span>
6 0
3 years ago
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Why do things dissolve faster in hot water
morpeh [17]
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3 0
3 years ago
What does the 4 mean in the formula4Na2SO3
Anon25 [30]

Answer:

4 means there are four molecules of Na₂SO₃.

Explanation:

Molecule:

A molecule is the smaller particle which can exist independently.

It may be monoatomic , diatomic, triatomic etc.

For example,

Hydrogen molecule consist of two atoms H₂

Nitrogen molecule = N₂

It may be combination of atoms of different elements.

HCl, H₂SO₄,Na₂SO₃

HCl = 1 mole of hydrochloric acid or one molecules of hydrochloric acid

H₂SO₄= 1 mole of sulfuric acid or one molecule of sulfuric acid

Na₂SO₃ = 1 mole of sodium sulfite or one molecule of sodium sulfite.

4Na₂SO₃ = 4 mole of sodium sulfite or four molecule of sodium sulfite.

The coefficient before the formula indicate the total number of molecules.

4 0
3 years ago
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