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Yanka [14]
3 years ago
8

What does Newton’s law of universal gravitation say about the distance between objects? s=been 3 hours still waiting...

Chemistry
1 answer:
andrew-mc [135]3 years ago
5 0

Answer:

Gravitational Force is <u><em>inversely</em></u><em> proportional  to the </em><u><em>square of distance </em></u><em>between the objects </em>

F\alpha \frac{1}{d^{2}}

Explanation:

This means if distance is tripled(3 times), then Force reduced to 1/9(square of distance )

If d = 3 ,

F\alpha \frac{1}{3^{2}}

F\alpha \frac{1}{9}

Then , F reduced to 1/9

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3

Explanation:

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I NEED HELP ASAP!!! THIS IS A 30 POINT QUESTION!!!
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Explanation:

Protein synthesis involves two major steps:

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<h3>Hope this helps</h3>
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3 years ago
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Predict the splitting pattern for each of the labeled hydrogens in the following molecules. Assume that all coupling constants a
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Complete Question

The complete question is shown on the first uploaded image

Answer:

a) Splitting pattern for Ha= 2+1 , Triplet

For Proton Hb and Hc both are equivalent to each other. non equivalent protons n= 3

Splitting pattern for Hb and Hc= 3+1 , Quartet

For Proton Hd, number of non equivalent protons n= 0

Splitting pattern for Hd= 0+1 , Singlet

b) Splitting pattern for Ha= 2+1 , Triplet

For Proton Hb and Hc both are equivalent to each other. non equivalent protons n= 3

Splitting pattern for Hb and Hc= 3+1 , Quartet

For Proton Hd, number of non equivalent protons n= 0

Splitting pattern for Hd= 0+1 , Singlet

c) The IUPAC name is Butan-2-ol

Explanation:

Considering the first question the rule used for prediction of splitting pattern is n+1 (Pascal's Triangle rule), where n is number of H atom on the adjacent carbon which are non equivalent.

According to that for molecule 1 as shown on the second uploaded image

For Proton Ha, number of non equivalent protons n= 2

Splitting pattern for Ha= 2+1 , Triplet

For Proton Hb and Hc both are equivalent to each other. non equivalent protons n= 3

Splitting pattern for Hb and Hc= 3+1 , Quartet

For Proton Hd, number of non equivalent protons n= 0

Splitting pattern for Hd= 0+1 , Singlet

Considering the second question for Molecule 2 as shown on the third uploaded image  

For Proton Ha, number of non equivalent protons n= 1

Splitting pattern for Ha= 1+1=2 , Doublet

For Proton Hb, number of non equivalent protons n= 3

Splitting pattern for Hb= 3+1=4 , Quartet

For Proton Hc, number of non equivalent protons n= 3

Splitting pattern for Hc= 3+1=4 , Quartet

For Proton Hd, number of non equivalent protons n= 1

Splitting pattern for Ha= 1+1=2 , Doublet

Considering the third question

The name of the given molecule  is gotten according to longest carbon chain  = 4 (Prefix 'Butan')

Functional group = -OH (Suffix 'ol') at C-2

The IUPAC name is Butan-2-ol

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