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what is the value of the equilibrium constant kcnbspfor the following reaction at the temperature of the
a reaction vessel contains an equilibrium mixture of so2 o2 and so3 the reaction proceeds such that2so2nbspg o2nbspg
if you add 04397 g of benzoic acid to a 100 ml volumetric flask and then add enough water to bring the total volume to
1 what is the wavelength of light in nm if the frequency is 42 x 1014 1sec2 what is the wavelength of light in
copper sulfide is oxidized by molecular oxygen to produce gaseous sulfur trioxide and solid copper ii oxide the gaseous
the water-gas shift reaction is an important source of hydrogen the value of kcnbspfor the reaction below isnbspis 51
potassium chloride has solubility 430 g 100 g water at 50ocnbspwill a mixture of potassium chloride 1100 g and water
to determine deltahfusionnbspof water you will essentially add ice to water allow the ice to melt and note the
the fluorides bf3 alf3 sif4 and pf5nbspare lewis acidsnbspthe all form very stable fluoroanions when treated with
the black tarnish that forms on pure silver is the sulfide ag2s formed by reaction with h2s in the atmosphere4 ag 2
write the balanced equation for the decomposition of nahco3 this time with the term energy on the appropriate side of
you had to heat the nahco3nbspstrongly in order for you to see it to decomposenbspthis is an example of
1 what is the potential energy and the associated hamiltonian for the h-atom draw the potential energy vr2 show that
consider a buffer made of 1 m hydrofluoric acid and 1 m potassium fluoride with a volume of 450ml 5 mmol of sodium
calculate the concentration of ammonia ion that is required to prevent the precipitation of mgoh2 in a solution with
a sample of ch3oh contains 335 x 1022 atoms how many moles of ch3oh are present in the
calculate the silver ion concentration ag of a solution prepared by dissolving 100 g of agno3 and 100g of kcn in
the average human body contains 500 l of blood with a fe2 concentration of 300times10-5 m if a person ingests 120 ml of
a saturated solution of leadii chloride pbcl2 was prepared by dissolving solid pbcl2 in water the concentration of pb2
determine the formal charge of each element in the followingformal charge charge that would result on an atom by taking
a sample of a hydrochloric acid solution 250nbspml required 286 mlnbspof a 0175 m solution ofnbspsodium hydroxide for
a buffer is prepared by adding 120 g of ammonium chloride nh4cl to 260 ml of 100mnbspnh3 solutionpart a what is the ph
individuals amp societies wwii- persuasive essayyou will research one of the following controversial actions relating
a buffer contains 016 mol of propionic acid c2h5cooh and 013 mol of sodium propionate c2h5coona in 120 lpart anbspwhat