What mass of the salt will dissolve in water
At a temperature for which the solubility product of calciumcarbonate is 4.7 x 10-9, what mass of the salt will dissolve in 100 mL of water?
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Find the exact values of sin 2u, cos 2u, and tan 2u using double- angle formulas. cos u= -12/13, pi/2 < u < pi. Find the exact values of sin 2u, cos 2u.
The following eq. represents the complete combustion ofethane: 2C2H6(g) + 7O2(g) ---->4CO2(g) + 6H2O(g)At the same temperature and pressure, what is the maximum volume in liters of carbon dioxide that can be obtained from 50 Lof C2H6 and 25
A hunter who is a bit of a braggart claims that, from a distance of 1.8 km, he can selectively shoot eiither of two squirrels who are sitting 11 centimeters apart on the same branch of a tree.
There are 200 students riding bikes each producing 110W of heat out put which is used for a heat engine which has an efficiency of 44.1% runing between 30c and -5c. what is the power in watts the heat engine.
A San Francisco cable car loses its brakes and runs down a hill 45 m high. The mass of the train and its passengers is 7,285kg. The final velocity of the train at the bottom of the hill is 4m/s. How much energy is lost as thermal energy? Write you
1.34g of sodium carbonate isadded to excess 0.125mol L-1 hydrochloric acid solution.What volume of hydrochloric acid would be needed to react completely with the sodium carbonate?
What is the maximum amount of P2O5 that can theoretically be made from 272g of O2 and excess phosphorus? Express your answer numerically in moles.
Calculate ΔG° at 25°C for the followingreaction.BaSO4(s) -Ba2+(aq) +SO42-(aq) What is the value of the solubility product constant,Ksp, for this reaction at 25°C?
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