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The original molarity of a solution of formic acid with a Ka of 1.7x10^-4. Its pH is 4.52 at equilibrium is _____ mol/L?
Lake Lianna is fed by two rivers, the Matthew and the Andrew. You have made careful water chemistry measurements throughout the year and found that the two rivers have the following pH and alkalinity
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
calculate the molality of a solution prepared by dissolving 19.9 grams of KCl in 750.0 mL of water
A 147 gram piece of metal has a density of 7.00 g/mL. A 50 mL graduated cylinder contains 20.0vmL of water. What is the final volume after the metal is added to the graduated cylinder?
Name the stereoisomers formed by oxidation of (S)-4-methylcyclohexene with osmium tetroxide.
For the reaction, A = B + C, the rate law is k[A]. If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant.
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
calculate the amount of heat required to vaporize 8.48g of water at its boiling point
The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethylene (TCE, C2Cl4) in drinking water of 0.005 ppm (by mass).
A 280ml flask contains pure helium at a pressure of 754 torr . A second flask with a volume of 475ml contains pure argon at a pressure of 732 torr . If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial..
A compressed air tank carried by scuba divers has a volume of 9.5 L and a pressure of 130 atm at 20 C. What is the volume of air in the tank (in liters) at STP?
determine the rate law and rate constant for the gas-phase reaction of nitrogen monoxide and chlorine.
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