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What are the advantages of the Stock system of nomenclature over the former one?
Under a given set of conditions, benzene C6H6 (b.p. 80°C) has a retention time of 60 seconds using a GC column. Under these same conditions, would you expect the retention time of toluene C7H8
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa?
The activation energy of a certain reaction is 50.0 . At 22 , the rate constant is . At what temperature in degrees Celsius
find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
If you fill the larger tank with oxygen to a pressure of 155atm , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
consider the reaction CO2+H2=CO+H2O.The equilibrium concentrations are [CO]= 0.050M, [H2]=0.045M, [CO2]=0.086M, and [H2O]= 0.040M. Calculate K .
A graduated cylinder contains 155 mL of water. A 15.0 g piece of iron (density = 7.86 ) and a 20.0 g piece of lead are added. What is the new water level in the cylinder?
A chemist prepares a solution by dissolving 4.168 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
What is the percent by mass of sulfur trioxide (SO3) if oleum is expressed as 3H2SO4 . 5SO3?
Determine the boiling point of a solution of 22.5 g of fructose, C6H12O6 , in 294 g of phenol.
What is the phosphoanhydride bond on the NADH structure? Although NADH and ATP both have phosphoanhydride bonds
draw Lewis Structures for the following FIVE elements.
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