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Question- A spreader stoker is used to burn coal containing 8 per cent ash. The flue gas from burning 1 lb of coal is 170 ft3. What is the maximum dust loading of PM in combustion gas in grains per cubic foot?
I want you to clarify the chemistry in this above problem.
Calculate the ratio of the potential energies for the interaction of a water molecule with an Al3+ ion (of radius 53 pm) and with a Be2+ ion (of radius 27 pm).
If 8.8 mg of iodine-123 is used in an experiment, how many milligrams of iodine-123 should remain after 50 hours. Assume that iodine-123 has a half-life of 10 hours.
Using Hess' Law, calculate the enthalpy of formation for C3H8(g) using the following thermodynamic data. C(s) + O2(g) ----> CO2(g) delta H =-393.5 kj/mol
Calculate H per mole of CaCl2 (in kJ) for the reaction under the above conditions. Aside, the ?H per mole for dilution depends on the process.
Write balanced net ionic equations for the reactions that occur when the following aqueous solutions are mixed. If no reaction is likely to occur, so indicate.
what is the internal energy change of a gas gives off 312 of heat while being compress 862ml by a pressure of 1.64 bar?
Calculate the pH of the solution that results upon mixing 20.0 mL of a 0.200 M HCl with 25 mL of.
Given a mean free path, comment on the appropriateness of using the ideal gas law to determine the number density of a sample at a critical point.
The tarnish on a teapot is a result of the silver metal reacting with the oxygen in the air according to 4Ag(s) + O2(g) -> 2 Ag2O(s),\quad \Delta H = -62. kJ/mol
The pressure of the He at 25 degrees celsius is 145 mmHg. The bulb is then heated to 325 degrees celsius and all the (NH4)2 S decomposes to form NH3 and H2S, with a resulting total gas pressure of 875 mmHG. What is the partial pressure of the NH3 ..
A 2.5-L sample of a 6.3M NACl solution is diluted to 75L.What is the molarity of the diluted solution?
a sample of gas is confined to a cylinder housed with a movable piston. the gas occupies a volume of 1.8 l at 1.8 atm
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