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A wastewater disposal well for carrying various wastes at different times is drilled into a formation of limestone (CaCO3), and the wastewater has time to come to complete equilibrium with the calcium carbonate before leaving the formation through an underground aquifer. Of the following components in the wastewater, the one that would not cause an increase in alkalinity due either to the component itself or to its reaction with limestone, is (a) NaOH, (b) CO2, (c) HF, (d) HCl, (e) all of the proceeding would cause an increase in alkalinity.
The antifreeze in a car was a 50% by weight solution of ethylene glycol C2H6O2 in water. Calculate the boiling point and freezing point of this solution. (for H2O: Kb= 0.52 C/m... Kf=1.86 C/m
What is the hydroxide ion concentration and the pH for a hydrochloric acid solution that has a hydronium ion concentration of 1.50 × 10-3 M?
the mineral greenockite is a yellow sulfide of cadmium that is 78.0% cadmium and 22.o% sulfer. determine the emipirical formula of greenockite.
At volume of 0.200 M K2Cr2O7 will be required to oxidize the Fe2+ iron in 60.0 mL of .200 M FeSO4 solution?
Calculate the equilibrium concentrations of CH3Cl, CH3OH, OH and Cl in a solution prepared by mixing equal volumes of 0.1M CH3Cl and 0.5M NaOH . In defining x , assume that the reaction goes 100% to completion, and then take account of a small amo..
Which compounds are completely water soluble. Which compounds are insoluble in water.
Calculate the energy needed to raise the temperature of 180.0 g of water from 10.0 degrees Celsius to 40.0 degree Celsius. The molar heat capacity for water is 75.3 J/K mol.
the air is at a standard temperature and pressure, how many gaseous molucules does the flas contain
Gaseous hydrogen iodide is placed in a closed container at 425 degree celcius, where it partially decomposes to hydrogen and idine: 2HI(g)--->--->H2(g)+I2(g). At equilibrium it is found that (HI)=3.53*10^-3 M,(H2)=4.79*10^-4M, and (I2)=4.79*10^-4M..
Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.
What is the pressure of the gas in mmHg if the volume is changed to 8.53 L? The temperature remains constant. In scientific notation.
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.617 times that of the initial number of microstates?
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