Exactly what weight of dry ice is needed
Exactly what weight of dry ice is needed to react with 2mmol of phenylmagnesium bromide? Would an excess of dry ice beharmful?
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Every second at Niagara Falls, approximately 5000 m3 of water falls a distance of 50.0 m. What is the increase in entropy per second due to the falling water? Assume the mass of the surroundings is so great that its temperature and that of the wat
Alkali halides commonly have either the sodium chloride structureor the cesium chloride structure. The molar mass of CsCl is2.88 times the molar mass of NaCl, and the edge length of the unitcell for NaCl is 1.37 times the edge length of the CsCl u
The air enters at 100kPa and 27 degrees C with a volume flow rate of 600m^3/min and leaves at 95kPa and 60 degrees C. Determine the mass flow rate of the refrigerant.
Should it be in series or in parallel with the 34.8-μF capacitor? What should be its capacitance? What If? The next circuit comes down the assembly line with capacitance 29.8 μF between A and B. To meet the specification, what additional cap
How long after it starts does the motorcycle reach the limits of adhesion (when are its tires on the verge of slipping) and how fast is the motorcycle moving when that occurs?
Let the coefficient of friction between the car and the road be 0.9. Find the maximum steady speed for theta = 10 degrees.
A tool-crib with one attendant serves a group of 10 mechanics. Mechanics work for an exponentially distributed amount of time with mean 20 minutes, then go to the crib to request a special tool.
The highest ambient air concentration of ozone recorded in SanFrancisco in 1994 was 1700 micrograms per cubic meter (at 1atmosphere pressure and 80.6
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