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O MEASUREMENT Interconverting derived Sl units A chemistry grad student measures the performance Z of the new pump in his lab

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Answer #1

Z= 3.0 MPa.cm3 s-1

1MPa = 106 Pa

Therefore , Z = 3 × 106 Pa.cm3 s-1

To convert cm into m

1m =100 cm

1m3 = 100×100×100 = 106 cm3

1cm3 = 10-6 m3

Therefore Z = 3 × 106 ×10-6 Pa.m3 s-1

But 1 Pa.m3 = 1J s-1

Therefore Z= 3 Js-1

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