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kolbaska11 [484]
3 years ago
12

The products obtained by cracking an alkane, X, are methane, ethene and propene. The mole fraction of ethene in the products is

0.5. What is the identity of X?. A C6H14. B C8H18. C C9H20. D C11H24.
Chemistry
1 answer:
MrMuchimi3 years ago
6 0

<span>The identity of X based from the given problem is C9H20. </span>The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query about this specific question.

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Consider the reaction 2CO * O2 —&gt; 2 CO2 what is the percent yield of carbon dioxide (MW= 44g/mol) of the reaction of 10g of c
Arturiano [62]

Answer:

Y = 62.5%

Explanation:

Hello there!

In this case, for the given chemical reaction whereby carbon dioxide is produced in excess oxygen, it is firstly necessary to calculate the theoretical yield of the former throughout the reacted 10 grams of carbon monoxide:

m_{CO_2}^{theoretical}=10gCO*\frac{1molCO}{28gCO}*\frac{2molCO_2}{2molCO}  *\frac{44gCO_2}{1molCO_2}\\\\ m_{CO_2}^{theoretical}=16gCO_2

Finally, given the actual yield of the CO2-product, we can calculate the percent yield as shown below:

Y=\frac{10g}{16g} *100\%\\\\Y=62.5\%

Best regards!

8 0
3 years ago
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