Chemistry, 16.10.2019 18:30 danthehero56
Amixture of contains 85 mol% methane and rest propane, is being sent through a horizontal schedule 40, 6-inch diameter cast iron pipe at a flow rate of 20 kgmol/h. the pressure at the pipe inlet is 2.45 bars and temperature is 25°c. the pipe length is 2000 m. the pipe is followed by gate valve (half-open) having similar inner diameter and material as pipe. find the overall pressure drop. assume no heat
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Chemistry, 22.06.2019 08:00
Define dew point. i am writing this part to be able to ask the question
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Chemistry, 22.06.2019 19:20
Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
Answers: 3
Chemistry, 22.06.2019 20:00
Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
Answers: 1
Amixture of contains 85 mol% methane and rest propane, is being sent through a horizontal schedule 4...
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