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Using a solution having Pb2+ ions 1x10-2 M that is mixed to a solution of I- ions of 2 x 10-4M. Show whether or not a precipitate will form if The Ksp of PbI2 =9.8×10-9
Lead (II) nitrate and Sodium fluoride both are soluble in H2O. If 0.232 grams of Pb(NO3)2 and 1.13 grams of NaF are dissolved in sufficient H2O to make one Litre of solution, will a precipitate form now you just need to determine how do you know if there must be a precipitate or not?
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
How do you calculate the force of water hitting a concrete cylindrical pole. The velocity of the water is 2 ft/s, the depth of the water is 10 ft, and diameter of the pole is 3 ft. So what would be the total force exerted on the pole by the water?
Compute the final pressure in the tank if nothing else is altered in the surroundings. (The two gases do not react)
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
At the temperature of twenty five degree celsius when 1.00 g of sulfur is burned at constant pressure in an atmosphere of oxygen to give SO 2 , and 9.28 kJ of heat is liberated. Determine the ΔHfo of SO 2 ?
compute the pH at the temperature of twenty five degrees Celsius of a solution combined by adding 50 mL of 1.60 M sodium hydroxide solution
What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops
Find out what will be the half-lives if [NOBr]o = 0.054 M - The rate constant for the second order reaction Is 0.80 M-1s-1 at 10 degree celsius temperature
Compute the amount of heat needed to completely sublime 43.0 grams of solid dry ice at its sublimation temperature. (The heat of sublimation for carbon dioxide =32.3).
Using a sample of 350. mL air is collected at 35 Celsius has a pressure of 550. torr. if it is allowed to expand to 425 mL at 57 Celsius then What pressure will the air exert?
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
Chemical analysis of the two compounds reveals that 0.25 mol ACl 2 has a mass of 100.0 g and 0.50 mol BCl 2 has a mass of 125.0 g. Determine what are the molar masses of ACl 2 and BCl 2 ?
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