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Lesechka [4]
3 years ago
12

______________________ produce evidence that helps to answer important questions or could also lead to new questions.

Chemistry
1 answer:
lesya [120]3 years ago
4 0

Answer:

It is B theories

Explanation:

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How many secondary (2°) carbons are found in 5-ethyl-3,3,4-trimethylheptane??
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5-Ethyl-3,3,4-trimethylheptane has 3 secondary carbon. A primary carbon written as 1° is a carbon that has one carbon atom attached to it. A secondary carbon written as 2° is a carbon attached to two other carbons, while a tertiary carbon written as 3° is a carbon attached to three other carbons. 
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What bsic difference is between NMR and MS spectroscopic techniques?​
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The Nuclear magnetic resonance is the process this technique does not use radiation.

The  ms is an sensitive technology can be a massive number and small sample of the blood.

Explanation:

The Nuclear magnetic resonance we look at the both side of that coin.

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3 years ago
How many Dalmatian puppies are in Pongo and Perdita’s litter?
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 Litter is the<span> birth of multiple offspring at one time. </span>The number of puppies in a litter often varies with the size of the dog, bigger dogs give birth to more puppies than smaller dogs. Pongo and Perdita are the parents in the story of 101<span>Dalmatians. There are 15 puppies in Pongo and Perdita's litter. These dogs are later kidnapped and Pongo and Perdita start searching them.</span>
7 0
3 years ago
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PLEASE HELP WILL GIVE 20PTS AND WILL MARK BRAINLIEST FOR RIGHT ANSWER!!!
Marysya12 [62]

Answer:

C) 0.457

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The ratio between O2 and H2O is 1:2 according to the balanced equation. You can find how many moles is O2 by : 5.12/22.4 = 0.22857 ( 1 mole = 22.4 litters)

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