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PLEASE SHOW COMPLETE AND DETAILED SOLUTION 7. Methane is flowing in a pipeline at a rate of 20.7cum per min at 30C and 250kPa. To

image text in transcribed PLEASE SHOW COMPLETE AND DETAILED SOLUTION

7. Methane is flowing in a pipeline at a rate of 20.7cum per min at 30C and 250kPa. To check the flow rate, helium is to be introduced at 25C and 300kPa. How many cubic centimeters per minute of helium must be introduced if the minimum detectable downstream concentration of the helium in the methane is 10ppm ? a. 183.23 (Answer) b. 138.23 c. 123.23 d. 132.23

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