Chemistry, 07.05.2021 01:00, dbhuggybearow6jng
Use the following information to answer the next question
The oil that Syncrude mines from the Athabasca Tar Sands contains large amounts
of undesirable sulfur. To remove most of the sulfur, Syncrude uses a chemical
process known as the Claus process, which results in a low-sulfur "sweet crude oil.
Two steps involved in Claus process are shown below.
Step! H2S(g) + 02(9) - S02(g) + H2O(g) AH = - 518 kJ
Step || SO2(g) + 2 H2S(g) - 3 S(I) + 2 H2O(g) AH = -93 kJ
Syncrude solidifies and stores approximately 1.36 Gg of sulfur per day.
and the enthalpy for the
11. The net equation for the Claus process is
net reaction is -
kJ.
The statement above is best completed by the answers in row:
Row
i
ii
2 H2S(g) + O2(g) - 2 S(0) + 2 H2O(g)
611 kJ
3 H2S(g) + O2(9) – 3 S(0) + 3 H2O(9)
611 kJ
2 H2S(9) + O2(g) - 2 S(I) + 2 H2O(9)
425 kJ
3 H2S(g) + 302(9) - 3 S() + 3 H20(9)
425 kJ
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