Name the 1 isomer of c7h16 that contains an ethyl branch on the parent chain.

1 answer:

5 0

An isomer is a compound which has the same atoms as another, but the spatial arrangement of the atoms is different. If we wish to have an ethyl, or two carbon, side chain, then the main chain may be five carbon atoms long. This compound then becomes:

3-ethylpentane; where the parent chain is pentane and the ethyl group is attached to the third carbon from the start of the parent chain.

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calculate the number of moles of sulfuric acid that is contained in 250 mL of 8.500 M sulfuric acid solution

san4es73 [151]

Answer : The moles of $H_2SO_4$ are, 2.125 mole.

Explanation : Given,

Molarity of $H_2SO_4$ = 8.500 M

Volume of solution = 250 mL = 0.250 L (1 L = 1000 mL)

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

$\text{Molarity}=\frac{\text{Moles of }H_2SO_4}{\text{Volume of solution (in L)}}$

Now put all the given values in this formula, we get:

$8.500M=\frac{\text{Moles of }H_2SO_4}{0.250L}$

$\text{Moles of }H_2SO_4=2.125mol$

Therefore, the moles of $H_2SO_4$ are, 2.125 mole.

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3 years ago

Plz Help!! 20 points!!

Sophie [7]

The drawing is correct because there are 12 atoms of each type on each side of the arrow.

3 0

3 years ago

Read 2 more answers

Label each of the following changes as a physical change or chemical change. Give evidence to support your answer.

SVEN [57.7K]

Answer:

A catalytic converter changes nitrogen dioxide to nitrogen gas and oxygen gas is a chemical change.

Explanation:

Hello.

In this case, since physical changes do not modify the molecular composition and structure of the material undergoing it whereas the chemical change does, for catalytic converters we should know they promote chemical reaction in which the composition is changed; for instance, for the given example, the following chemical reaction is the evidence:

$2NO_2\rightarrow N_2+O_2$