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Nitrogen gas enters a 0.110-m diameter pipe at 30.0°C, 2.70 atm, and 7.20 m/s. The pipe then rises 26.0 ft and then falls 75.0 ft. The nitrogen gas exits the pipe at 30.0°C and 1.50 atm. You ultimately would like to find ?Ek and ?Ep in the process. Assume N2 behaves ideally1.What is the volumetric flow rate of nitrogen gas into the pipe section?2.What is the mass flow rate into the pipe?
3.What is the average velocity of N2 leaving the pipe section?
4.What is the change in kinetic energy of the gas between the start and the end of the pipe section?
5.0 gram sample of kbr at 25 degrees celsius dissolves in 25 ml of water also at 25 degrees celsius. the final
The equilibrium molar concentration of the FeNCS^2+ determined from a calibration curve, is 1.5 x 10^-4 mol/L. Calculate, in sequence each of the following quantities in the aqueous solution to determine the equilibrium constant for the reaction.
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A sample of a flourocarbon gas was allowed to expand to twice its volume. In this reversible, adiabatic expansion, the temperature dropped from 298.15 K to 248.44 K.
a sample of H2O with a mass of 46.0 grams has a temperature of -58.0 C. how many joules of energy are necessary to heat the steam from 100.0 degrees Celcius to 114.0 degrees celcius if the specific heat of steam 2.01J/g degrees celcius.
The U.S. Food and Drug Administration lists dichloromethane (CH2Cl2) and carbon tetrachloride (CCl4) among the many chlorinated organic compounds that are carcinogenic (cancer-causing).
Name the alkyl branch present on the ring of ibuprofen that is across from the acid functional group
A 1.25g sample of ore containing iron pyrite (FeS2) was pulverized and ignited in air, converting the Fe2O3 and SO2. The Fe2O3 produced weighed 0.516g.
a blimp filled with 5000m3 of helium at20oc and 1.05 bar pressure. the volume of the cabin is30m3 and the mass of the
What is the volume of a unit cell of this metal? 4.What is the edge length of a unit cell of Fe?
Will the mixed function of desaturases function under strictly anaerobic conditions? Explain.
Draw a graph that shows the relative energy of the conformer as a function of the torsional angle. Make sure that you clearly label which conformer corresponds to which position on the graph
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