Engineering, 12.12.2019 01:31 estefaniapenalo
The chromatogram shows the separation of components in an over‑the‑counter pain reliever. a plot has peaks labeled 1 through 4 and a horizontal axis labeled minutes. the positions of the peaks on this axis are given as t sub r in the text, and the widths at half height are given as w sub one half. peak component t r (min) w 1/2 (min) 1 acetaminophen 3.97 0.12 2 caffeine 6.15 0.21 3 benzoic acid 9.73 0.35 4 aspirin 14.8 0.73 calculate the number of theoretical plates, n , for the peaks of acetaminophen and caffeine. acetaminophen: n = plates caffeine: n = plates calculate the resolution, r , between acetaminophen and caffeine. r =
Answers: 3
Engineering, 04.07.2019 18:20
Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
Answers: 1
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Engineering, 04.07.2019 19:10
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
The chromatogram shows the separation of components in an over‑the‑counter pain reliever. a plot has...
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