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Based on the solubility rules, which of these processes will occur when a solution containing about 0.1 g of Pb(NO3)2(aq) is mixed with a solution containing 0.1 g of KI(aq)/100 mL?
A. KNO3 will precipitate; Pb2+ and I- are spectator ions.B. No precipitate will form.C. Pb(NO3)2 will precipitate; K+ and I- are spectator ions.D. PbI2 will precipitate; K+ and NO3- are spectator ions.E. Pb2+ and I- are spectator ions, and PbI2 will precipitate.
What mass of CCl2F2 substance must evaporate in order to freeze 135 g of water initially at 15 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
The bed diameter is .40 m and the desired height of the bed at these minimum fluidizing conditions is 1.75m. Calculate the amount of solids needed.
There are two stereoisomeric 1,3-cyclobutane carboxylic acids. one can form a cyclic anhydride, the other can not. draw the structures of theses compounds and indicate which one can be converted to a cyclic anhydride. explain
Consider a metal atom, which we will give the symbol M. Metal M can readily form the M+ cation. If the sphere on the left below represents the metal atom M, which of the other three spheres would probably represent the M+ cation? Explain your choi..
the molar mass of a nonelectrolyte is 58.0 g/mol. Compute the boiling point of a solution containing 31.2g of this compound and 600.0 g of water
what is the energy of the light emitted in joules when an electron falls from the n=4 to the n=2 orbit in the hydrogen atom ? (E2= -328 kJ/mol , E1= -82 kJ/mol)
How long would it take for 1.50 mol of water at 100.0 degrees Celsius to be converted completely into steam if heat were added at a constant rate of 15.0 J/s.
Lipids (fats) are esters of long chain fatty acids and glycerol. Similarly, describe the general structures of proteins and carbohydrates.
For the reaction SO3+H2O=H2SO4 calculate the percentage yield if 600 g of sulfur trioxide react with excess water to produce 475 g of sulfuric acid
the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
The precipitation of aluminum hydroxide, Al(OH)_3 (K_sp)=1.3 x 10^{-33}), is sometimes used to purify water. At what pH will precipitation of Al(OH)_3 begin if 5.70 lb of aluminum sulfate, Al_2(SO_4)_3, is added to 2050 gallons of water (with a ne..
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 26.50 mL of 0.0502 M NaOH but overshoot the end point
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