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Steam produced in a boiler is frequently"wet" --- that is, it is a saturated mixture of vapour and entrained liquid droplets. The quality of a wet steam is defined as the fraction of the mixture by mass that is vapour.
(a) The quality of waet steam at 1 bar is 0.07. Use the Steam Table to estimate the enthalpy of 150 kg of this steam.
(b) The specific enthalpy of a wet steam at 150.3°C (5 bars) is determined from the Steam Table to be 2,429 kJ/kg. Caculate the quality of the steam.
A 40.0 g sample of solid ammonium carbonate is placed in a closed evacuated 3.00 L flask and heated to 400 degrees C. It decomposes to produce ammonia, water and carbon dioxide. The equilibrium constant, Kp, for the reaction is 0.295 at 400 degree..
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A non-SI unit of mass used in pharmaceutical work is the grain (gr). (15 gr =1.0g) An aspirin tablet contains 5.0 gr of aspirin. A 155-lb arthritic individual takes two aspirins tablets per day. What is the quantity of aspirin in two tablets, expre..
If 545 mL of oxygen gas is collected at 21ºC and 754 mm Hg, what is its volume at STP?
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