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An experimental cell is set up such that one half cell contains a solid silver electrode dipping into a saturated solution of silver oxalate. The oxalate ion comes from added oxalate so that equilibrium concentration of oxalate ions is 0.50 M. This half-cell is connected to a standard hydrogen electrode (SHE) half-cell. The measured potential for this cell is 0.476 V at 25C. What is the experimental value of the solubility product constant for silver oxalate?
a sample containing 4.80 g of gas has a volume of 15.0 l. pressure and temperature remain constant. what is the new
Problem- Estimate the calcium concentration in a groundwater sample, which has a pH of 5.50. Assume that the groundwater at his location is saturated with CO2 at a partial pressure of 0.1 atm.
Consider a solution that contains 81.0% R isomer and 19.0% S isomer. If the observed specific rotation of the mixture is -64.0°, what is the specific rotation of the pure R isomer
Two compounds have the same empirical formula. One substance is a gas, the other is a viscous liquid. How is it possible for two substances with the same empirical formula to have markedly different properties?
Two balloons are kept at room temperature and pressure, one holding Br2 gas, and one holding He gas. Each balloon is occupying 1.0 L at 273 K and 1 atm of pressure. If R = 0.0821 L*atm/mol*K, what is the:
If you mix 50mL of 0.34M HCN with 100mL of 0.17M KOH what is the pH of the resulting solution. (Ka=4.0 x 10^-10)
Based on Liquid Chromatography, how can I changed if the capacity value and selectivity value and resolution value is not in the proper range?
What is the pH at the equivalence point when a 1.24 gram sample of C6H5COOH (Ka=6.6X10^-5, MM=121) are titrated with 0.180M LiOH? First find the volume of LiOH required to neutralize the acid and then assume that this volume is the volum of the so..
A 320. mL air sample collected at 35°C has a pressure of 550. torr. What pressure will the air exert if it is allowed to expand to 425 mL at 59°C?
a sample of methane of mass 4.5 g (4.5g(1mol/16.04g)=.2804mol) occupies 12.7 L at 310K. a) Calculate work done when the gas expands isothermally (delta T=0) against a constant external.
A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.87 mL mark. What is the combined monetary value (in Can$) of those coins?
The method of this lab is to dehydrate 2-methylcyclohexanol as well as determine the ratio of major to minor products formed by gas chromatography. For the pre-lab, a detailed separation scheme as well as unsure of how to do this or what it should..
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