The flow in rate of C3H8 and O2 in a system are 2 mole/hr each what is the flow out rate of CO2?(a) 1 mole/hr(b) 1.2 mole/hr(c) 1.5 mole/hr(d) 2 mole/hrThis question was posed to me during an online exam.This interesting question is from Accounting for Chemical Reactions in Material Balances in portion Introduction to Material Balances of Basic Chemical Engineering

The flow in rate of C3H8 and O2 in a system are 2 mole/hr each what is

1.	The flow in rate of C3H8 and O2 in a system are 2 mole/hr each what is the flow out rate of CO2?(a) 1 mole/hr(b) 1.2 mole/hr(c) 1.5 mole/hr(d) 2 mole/hrThis question was posed to me during an online exam.This interesting question is from Accounting for Chemical Reactions in Material Balances in portion Introduction to Material Balances of Basic Chemical Engineering
Answer» Correct OPTION is (b) 1.2 mole/hr To explain I would say: The REACTION is C3H8 + 5O2 -> 3CO2 + 4H2O, => flow out rate of CO2 = 2*3/5 = 1.2 mole/hr.

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