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Author Question: If a certain natural gas supply contains 2.13% helium by mass, what amount of the natural gas must ... (Read 9 times)

sdfghj

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Question 1

How much hydrogen (in liters at STP) is required to change 857 kg of diisobutylene to isooctane? Molar mass of diisobutylene is 112.2 grams.

CH3C(CH3)2CH=C(CH3)2 + H2→ CH3C(CH3)2CH2CH(CH3)2

◦ 15.4 L
◦ 1.71 × 105 L
◦ 8.55 × 104 L
◦ 3.42 × 105 L
◦ 30.8 L

Question 2

If a certain natural gas supply contains 2.13% helium by mass, what amount of the natural gas must be processed, at 96.2% efficiency of helium recovery, to produce sufficient helium to inflate 24 party balloons to a volume of 5.3 L each at an internal gas pressure of 1.25 atm and a temperature of 23.7 °C?
◦ 1.28 kg
◦ 1.18 kg
◦ 1.09 kg
◦ 0.82 kg
◦ 0.75 kg


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Marked as best answer by sdfghj on Jul 8, 2021

dpost18

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sdfghj

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Reply 2 on: Jul 8, 2021
Excellent


duy1981999

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Reply 3 on: Yesterday
Wow, this really help

 

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