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Multiple steady states can arise in a CSTR because

  • A.the coolant flow through it is unsteady
  • B.the composition of the feed varies
  • C.generation rises faster than removal
  • D.the reaction rate is independent of temperature

Answer: C

The generation curve is an S shape while the removal line is straight, and they can intersect three times. The middle intersection is unstable and cannot be held without control. The curve is S-shaped and the line is straight.

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