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umka21 [38]
3 years ago
9

Draw all the structural isomers for the molecular formula c4h9br. Be careful not to draw any structures by crossing one line ove

r another; the system needs to know where you intend connections to be between atoms.

Chemistry
1 answer:
Rufina [12.5K]3 years ago
5 0

There are four structural isomers with the molecular formula C₄H₉Br.

You start by writhing the linear carbon chain and the you start moving the bromide atom until you find all the compounds. In our case you have bromide atom in the position 1 and 2 on the carbon chain.

Then you branch the carbon chain and you have isobutane. Here the possible positions for bromide is 1 and 2 on the primary carbon chain.

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3 years ago
What is the partial pressure of carbon dioxide in a container that contains 3.63 mol of oxygen, 1.49 mol of nitrogen, and 4.49 m
lana66690 [7]

Answer:

Partial pressure of CO₂ is 406.9 mmHg

Explanation:

To solve the question we should apply the concept of the mole fraction.

Mole fraction = Moles of gas / Total moles

We have the total moles of the mixture, if we have the moles for each gas inside. (3.63 moles of O₂, 1.49 moles of N₂ and 4.49 moles of CO₂)

Total moles = 3.63 mol O₂ + 1.49 mol N₂ + 4.49 mol CO₂ = 9.61 moles

To determiine the partial pressure of CO₂ we apply

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We replace values: (4.49 moles / 9.61 moles) . 871 mmHg = 406.9 mmHg

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