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A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH (standard cubic meters per hour).
What happens to some solute during crystallization when too much solvent is evaporated and what do you do
What must californium-250 be bombarded with to produce lawrencium-257 and 4 neutrons
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
A solution of salt (molar mass 90 g mol -1) in water has a density of 1.29 g/mL. The concentration of the salt is 35% by mass.
Acetylene gas (C2H2) is produced as a result of the reaction CaC2(s) + 2 H2O(l) → C2H2(g) + Ca(OH)2(aq).
If you want to prepare a buffer with a pH of 4.30 with HOAc (acetic acid) and NaOac, what ration of NaOAc/HoAc should you use? (pKa of HOAc is 4.74)
Calculate the molar solubility of strontium chromate in water at 298 K if Ksp = 3.6 * 10-5.
why is it important that none of the solid CaCl2 be included in the final distillation of 1-bromobutane?
what mass is grams of potassium chloride is produced if 100. g of potassium chlorate decompose according to the following equation? 2KClO3>>> 2KCl+3O2
A solution is prepared by mixing 50.0 mL of 0.11 M Pb(NO3)2 with 50.0 mL of 1.3 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. Ksp for PbCl2(s) is 1.6* 10-5.
If 25.0 mL of AgNO3 is needed to precipitate all the Cl- ions in a 0.795 mg sample of KCl(forming AgCl), what is the molarity of the AgNO3 solution.
The temperature dependence of the equilibrium constant is given by the equation: Ln K = Ln A - delta H (standard enthalpy change)/RT. Solve for k (equilibrium constant).
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