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Consider the following reaction and associated equilibrium constant:
aA(g) --> bB(g), Kc=3.1
Find the equilibrium concentrations of A and B for a=1 and b=1. Assume that the initial concentration of A is 1.0 M and that no B is present at the beginning of the reaction.
if you add .454g of nitroglycerine to 100g of benzene at 25C, the vapor pressure of the solution is 94.85mmHg. Calculate the molar mass of nitroglycerine.
How many hydrogens are in C6H?NO3, which has 1 ring and 4 double bonds? How many hydrogens are in C13H?N, which has 4 rings and 6 double bonds?
Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 25°C and 740 mmHg
what is the mass of pentane that vaporizes? density is .626gml and pure vapor pressur eis 511 at 25 degree celcius.
show that the energy eigenvaules for the free particle E=h2k2/2m are consistent with the classical result E=1/2mv2
A 25.0-mL sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of butanoic acid is 1.5 x 10-5.
Use metric conversion factors to solve the following problem. A park has an area of 150000 m^2. What is the area in km^2?
Bromine reacts with aluminum iodide. If 6.35x10^21 molecules of iodide are produced , how many grams of aluminum iodide is reacted. need help writing out the equation.
Consider the preparation of benzalacetophenones (chalcones). draw the chalcone product if the aldehyde
a 4.50-g sample of licl at 25.0c dissovles in 25.0ml of water also at 25.0c. th final equilibrium temerpature of the
The pH at the first stoichiometric point was 5.19 and at the second stoichiometric point was 8.00. Calculate the three Ka values for the acid.
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
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