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A 15.0-L flask containing a sample of nitromethane is filled with O2 and the flask is heated to 100.ºC. At this temperature, and after the reaction is complete, the total pressure of all the gases inside the flask is 950. torr. If the mole fraction of nitrogen (xNitrogen ) is 0.134 after the reaction is complete, what mass of nitrogen was produced?
If a wye-delta starting method is employed, find the starting current and the starting torque.
Calculate the amount of work necessary for the reversible compression of 1 kg of steam from 3 bar to 7 bar. The compression is to take place in a cylinder fitted with a weightless piston at the constant temperature of 250 °C. Calculate the amount ..
When algae growing in water containing only 16O were furnished carbon dioxide containing 18O, no 18O was found to be evolved from the oxygen gas produced. What conclusions about photosynthesis can be drawn from these experiments?
determine which heat exchanger is cheaper by comparing the capitalized costs.
A strap, instrumented to measure stretch, is worn around the chest to detect respiration whilst a subject is at-rest. The resulting signal is contaminated by electrical noise from the mains at 50 Hz with a similar amplitude to the respiration sign..
A three-phase induction motor, operating at its rated voltage and frequency, develops a starting torque of 1.6 times the full-load torque and a maximum torque of 2 times the full-load torque. Neglecting stator resistance and rotational losses, and..
Is our "technological distraction" contributing to the fact that other more pressing interests like the cure for cancer have not been achieved?
Estimate the temperature of saturated steam which must be used when the exchanger is new (i.e., no scale present) if the water enters the unit at a rate of 15,000 gph and is heated from 70 to 150°F.
The most stable nucleus known is 56Fe (see Exercise 38). Would the binding energy per nucleon for 56Fe be larger or smaller than that of 12C or 235U? Explain.
Stoichiometry of Ammonia Synthesis, Show that the maximum concentration of NH3 is obtained in an ammonia synthesis process when the ratio of nitrogen to hydrogen
How many neutrons and -particles are produced in this fission reaction? Explain in detail the process in which you arrived at you answer, and show your work.
If a mixture of 5.0 g of hydrogen and 10. g of methane is burned, and the heat released is transferred to 50.0 g of water at 25.0C, what final temperature will be reached by the water?
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