Over 30 m length of a 150 id mm vacuum line carrying air at 293 k, the pressure falls from 1 kpa to o.1 kpa. if the relative roughness of the pipe is 0.002, what is the approximate volumetric flow rate in the pipe (in m3/s measured at the mean pressure in the system)?
Answers: 2
Chemistry, 21.06.2019 18:30, ElizabethF
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 22.06.2019 03:30, tbeck225
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 20:00, bettybales1986
Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?
Answers: 2
Chemistry, 22.06.2019 21:00, thebasedgodchri
Need what is special about water as a compound? how does water regulate climate? what drives water evaporation? why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation? what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !
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Over 30 m length of a 150 id mm vacuum line carrying air at 293 k, the pressure falls from 1 kpa to...
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