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Andreyy89
3 years ago
13

What is the main idea and Detail/Evidence of Light microscopes​

Chemistry
2 answers:
Vesna [10]3 years ago
7 0

hi I I  don’t know

Explanation:

hi

Dimas [21]3 years ago
7 0
The advantage of light microscopes (and stereomicroscopes in particular) is that objects can be looked at with little or no preparation. This makes them very useful for looking at living things, such as flower parts, insects, earthworms and human skin.
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If I gave you 3 moles of methane, how many moles of water will be produced?
netineya [11]

Answer: 6 moles

Explanation:

8 0
3 years ago
1. Why is it important to accurately predict the possible formation and path of a hurricane?
ad-work [718]
1) Prediction of a hurricane's path/formation can save lives, since we can predict the strength, then warn the people who are in danger of it's reach.

4) The more wind a hurricane has, usually the faster it tears apart, since the strong winds acts to constrict the center, limiting and sometimes altogether stopping the hurricane.

5) I'd say yes, since the humidity is really high, so the wind can whip that up into the heat, then the hot air descends to create a vortex.
7 0
3 years ago
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Boiling water on a heated stove begins to evaporate into a gas.
laila [671]

Answer:

The temperature will decrease

Explanation:

the particles spread out while releasing heat

7 0
3 years ago
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For this assignment, the target compound that you should synthesize is 1-methyl-4-nitro-benzene. This is an electrophilic aromat
Liono4ka [1.6K]

Answer:

The methyl group will already be present  

Explanation:

You want to make 1-methyl-4-nitrobenzene.

The question is, "Do I start with the methyl group on the ring and then nitrate, or do I start with the nitro group on the ring and then add the methyl group?"

The methyl group is activating and ortho, para directing.

The nitro group is deactivating and meta directing.

You want a para-substituted product, so you choose to nitrate toluene, as in the reaction scheme below.

 

5 0
4 years ago
The Ksp of CaF2 is 4.0 x 10-11. What is the solubility of CaF2 in 0.10 M Ca(NO3)2? Give your answer using scientific notation an
Ilya [14]

Answer:

1.0\times 10^{-5} M is the solubility of CaF_2 in 0.10 M Ca(NO_3)_2.

Explanation:

Concentration of calcium nitrate = [Ca(NO_3)_2]=0.10 M

Ca(NO_3)_2\rightarrow Ca^{2+}+2NO_3^{-}

[Ca(NO_3)_2]=0.10 M=[Ca^{2+}]

Solubility product of the calcium fluoride = K_{sp}=4.0\times 10^{-11}

Solubility of calcium fluoride in calcium nitrate solution :

CaF_2\rightleftharpoons Ca^{2+}+2F^-

            (0.10+S)   (2S)

The expression of solubility is given by :

K_{sp}=[Ca^{2+}][F^-]^2

4.0\times 10^{-11}=(S+0.10)(2S)^2

Solving for S:

S=1.0\times 10^{-5} M

1.0\times 10^{-5} M is the solubility of CaF_2 in 0.10 M Ca(NO_3)_2.

3 0
3 years ago
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