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zysi [14]
3 years ago
14

Need help with this chem question (multiple choice)

Chemistry
1 answer:
fiasKO [112]3 years ago
6 0

Answer:

The correct option is A.

Explanation:

Isomers are molecules with the same formula but different structure. If you look at the previous structures and count the number of C and H, you find that  A and the molecule from the question has the same number of C and H, but their structures are different.

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Question 2
Naddika [18.5K]

Answer:

38.4 atm

Explanation:

Data obtained from the question include:

V1 (initial volume) = 3200 L

P1 (initial pressure) = 3.00 atm

V2 (final volume) = 250.0 L

P2 (final pressure) = ?

Using Boyle's law equation P1V1 = P2V2, the final pressure can be obtained as follow:

P1V1 = P2V2

3 x 3200 = P2 x 250

Divide both side by 250

P2 = 3 x 3200/250

P2 = 38.4 atm

Therefore, the pressure of the gas if ethylene is supplied by a 250.0 L tank is 38.4 atm

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4 years ago
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3 years ago
How many moles of O2 are needed to react<br> with 24 moles of C2H6?<br> 2C2H6 + 702 — 4CO2 + 6H20
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Explanation:

Mole ratio of Ethane to Oxygen = 2 : 7

Moles of O2 needed = 24 moles * (7/2) = 84 moles.

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