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give two examples for each category of the following redox reactions show molecular equations if the reaction does not
1 calculate the heats of dissolution for lithium chloride and ammonium chloride from tabulated hf values these can be
hypochlorite ion comes from bleach where it is found as sodium hypochlorite concentration of naocl is either 6 or 615
a 0577g sample of a purified organic acid was dissolved in water and titrated potentiometrically a plot of the data
3030g of erythrosin b m8799 gmol was added to enough water to make 100ml of solution a 5ml of solution a was added to
calculate oh for a solution formed by adding 580 ml of 0190 koh to 200 ml of 75times10-2m
n-t-bu-bn-indole undergoes electrophilic aromatic substitution regioselectively at the 3-position draw an orbital
calculate how much primary standard kio3 fw21400259 must be dissolved to make 500ml of 001 m
calculate how much na2s2o35h2o fw 248 should be weighed if that is what is available in the lab to be dissolved in di
tropylium cation satisfies the 4n 2 rule what do you think might occur of trityl fluoroborate was placed into solution
sulfur dioxide and molecular oxygen react to form so3 according to the following equation in one experiment 200 mol of
when a 955 g sample of solid sodium hydroxide dissolved in 1000 g of water in a styrofoam cup calorimeter the
determine the percent yield for the reaction between 374g of na and excess o 2if 534g of nao2 is
you are titrating 500ml of a 264m benzoic acid solution with a 0445m potassium hydroxide
determine the mass of sodium hydroxide produced when 047g of sodium nitrite reacts with water according to the
what concentration of ca2 must be added to 0010 m oxalate c2o-2 4 to precipitate 990 of the
if a temperature increase from 210 c to 360 c triples the rate constant for a reaction what is the value of the
if 66 ml of ethanol c2h5ohd79 gcc is dumped into 600 ml of water what is the molality of the
given that the delta h of vaporization 3500 kjmol and delta h of sublimation 4000 kjmol calculate the triple point of
1 find the ph of a 0050 m hclo4 and b 0050 m hclo4 plus 0050 m hbr2 what concentration of ca2 must be added to 0010 m
which of the following is true of the internal energy of a system and its surroundings during an energy exchange with a
draw the mechanism curvy arrows for the formation of the carbocation intermediate formed from reaction of no2 with
write the kb reaction of hypochlorite oct- given theat the ka value for hocl is 30x 10 -8 calculate kb for
a 0040 m solution of a monoprotic acid is 14 percent ionized calculate the ionization constant of the
a sample of rock is found to have a 235u207pb ratio of 1 to 15 from its minerology we know that it contained no lead at