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Which of the following values for an equlibruim constant suggests that at equilibrium the mixture contains a high concentration of products?
a. 1.0 x10^0b. 1.0 x 10^1c. 1.0 x 10^ 10d. 1.0 x10 ^-10
A sample of propane occupies 250.0 L at 125 kPa and 38 degrees celsius. Find its volume at 100.0 kPa and 95 degrees celsius.
What volume will 135 g of butane occupy at 745 torr and 35 C?
modern seawater is 0% while the average value of the polar ice cap is -45%. The ice cap holds 2wt% of the oceanic water. Calculate the delta 18 O value of an ice-free ocean.
which compound do you expect to have a larger Rf value in a soluvent of medum polarity (such as ethyl acetate): acetominophen or phenacetin?
A student in lab constructed an Ag+ sensor using the same procedure as in the Metal Ion Sensor lab that you performed. Titration of 10.00 mL of an AgNO3 solution diluted with 40.0 mL of DI water required 11.85 mL
A solution of phosphoric acid was made by dissolving 10 g of H3PO4 in 100 ml of water. The resulting volume was 104 mL. Calculate the density, mole fraction, molarity, and molality of the solution. Assume water has a density of 1.00 g/cm3
If 17.2 mL of 0.800 M hydrochloric acid solution are required to neutralize 5.00 mL of a household NH3 solution, determine the molar concentration of the NH3,ammonia?
A half-cell, made by dipping a silver wire into 0.05 M aqueous AgNO, at 298 OK, develops a half-cell potential of +0.740 volts. What is the standard half-cell (Eo) for silver?
Will the concentration of Ni2+ increase or decrease as the cell operatres? c. What is the initial concentration of Ag+ in the cell?
The pH increased from 5.8, the normal pH of a cigarette , to pH 6.4 by addition of ammonia. How many moles of ammonia are required to produce this pH change per cigarette (volume approx. 5ml)?(Assume that no unprotonated ammonia will exist at pH 6..
In what direction do the functions point? What orbitals are"left" unused on the C atom?
Why is sodium bicarbonate used instread of sodium hydroxide for the initial extraction
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