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What mass of Na2CrO4 is required to precipitate all of the silver ions from 75.0 mL of a 0.100 M solution of AgNO3? In addition, what volume of 0.100 M Na3PO4 is required to precipitate all the lead(II) ions from 150.0 mL of 0.250 M Pb(NO3)2? Explain how you arrived at your answer, and show all of your work.
The Cookenwythe Gas Company pumps propane gas to the nearby Noxious Chemicals, Inc., polypropylene production plant. The gas is metered at the noxious plant at 400m3/h at 4.7atm gauge and 30°C.
Make a practice HAZOP study of the plant section and add any instrumentation that is needed to develop the full P and I diagram.
If the transmitted beam is reversed, so that it impinges on the interface from the glass side, calculate what the transmitted angle will be through the tissue. Does this make sense? Explain
If the operating coil has 1800 turns carrying a current of 1 A, and the gaps are set at 0.125 cm each, find the pull that must be exerted by the spring. You may neglect leakage and fringing.
Carbon monoxide (CO) is burnt in presence of 200% excess pure oxygen and the flame temperature achieved is 2298 K. The inlet streams are at 25 °C.
Determine the 50- Hz applied voltage and the slip at which the motor will develop a torque equal to its 60-Hz full-load value.
Calculate the gross torque developed for a flux per pole of 0.02 Wb and an armature current of 50 A. (Note: The number of parallel paths is equal to the number of poles for lap windings.)
The opposite surface of a slab A and B are maintained at 100 degree and 70 degree respectively ,if the steel plate measures 10cm thick estimate the heat transfer rate across the slab and the temperature recorded by a ther mocouple embedded 3cm fro..
Determine the sampling rate if the signal is sampled at a rate 50% higher than the Nyquist rate.
The viscosity of the liquor is 0.7 mN m-2 s. The cutoff crystal size required is 5 μm. Select a suitable type of centrifuge to use for this duty.
Considering the house, the surroundings, and the water tank to be heat reservoirs, what is the power that must be supplied to run the air conditioner per kW of heat pumped out of the house?
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