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can you explain how to find the ph of a lake given a carbonate system with added limestone and nitric acid given the
among sulphuric acid phosphoric acid and trifluoroacetic acid which one is the least hazardous as
at a certain temperature the kp for the decomposition of h2s is 0730h2s g lt-----gt h2 g s ginitially only h2s is
carbon disulfide is prepared by heating sulfur and charcoal the chemical equation iss2g c s lt----gt cs2
carbon disulfide is prepared by heating sulfur and charcoal the chemical equation iss2g c s lt----gt cs2 g kc 940 at
consider the following reactionaaq lt---gt 3baq kc 285x10-6 at 500kif a 400 m sample of a is heated to 500 k what
safrole is a topical antiseptic calculate the mole fraction ethanol in a solution prepared by dissolving 53mol of
1 you have 100 ml of a solution of atp you take 50 microl and dilute it to a final volume of 2000 microl the absorbance
1 what are all of the decomposition reactions2 identify the spectator ions in the following reactionca2 aq 2no3-aq2naaq
what is the ph at the equivalence point in the titration of a 192 ml sample of a 0388 m aqueous nitrous acid solution
1 if a pressure in the system is 12 atm its volume is 31 l and the temperature is 87 c what amount of gas is present in
a catechin can undergo acidbase chemistry draw the structure of catechin in solution after excess calcium hydroxide has
fossil fuel power plants operate by using the energy from burning fuel such as coal to boil steam a coal power plant
when a 289 ml sample of a 0425 m aqueous acetic acid solution is titrated with a 0418 m aqueous sodium
determine the ph of a solution that is 345 koh by mass assume that the solution has density of
a solution originally at 0600 m h202 is found to be 0075 m after 54 min the half-life of this reaction is how many
what are the chemical combinations that result in skin-safe
consider the following two redox reactions in the nitrogen cyclea nh4nbsp o2nbsp no3-nbsp nitrificationb no3-nbsp
the standard energy of formation of n2o is 10359 kjmol and the standard energy of formation of no2 is 5184 kjmol
the equilibrium constant kc for the following reaction isnbsp290times10-2nbspatnbsp1150nbspk2so3gnbsp2so2g
a student ran the following reaction in the laboratory atnbsp563nbspknbspcog nbspcl2g nbspnbspcocl2gwhen she
oxygen gas effuses at a rate that is 149 times that of an unknown gas at the same temperature what is the identity of
help in this lab it is not necessary to calibrate the volume of a drop from a beral pipet so long as you use the same
how do you find the stability of a molecule for example for no nitric oxide it would be great if you could explain the
for an aqueous solution of sodium chloride nacl determine the molarity of 355 l of a solution that contains 141 g of