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question from the chem lab spectrophotometric determination of an equilibrium constant indicator is bromcresol purple
a 300-l flask is filled with gaseous ammonia nh3 the gas pressure measured at 160c is 215atm assuming ideal gas
problem- a at constant t and p the direction of spontaneous change is the direction of increasing free energy b free
problem- a student titrated a solution of formic acid with sodium hydroxide the student plotted ph versys volume ml of
problem- if the water in your house has 10000 mgl of calcium carbonate dissolved in it how many grams of sodium oxalate
problem- a sample of gas occupies a volume of 682 ml as it expands it does 1253 j of work on its surroundings at a
problem- why is preparation of an ester referred to as a dehydration reaction give the complete general equation for
problem- need help with a lab i did this week 2 ml of mountain dew was mixed with 10 ml of 010 hcl and then diluted to
problem- using the data below determines the ksp of caoh2 please explain you work also please explain how this is so
problem- when ethane c2h6 reacts with chlorine cl2 the main product is c2h5cl but other products containing cl such as
problem- question the complete combustion of octane c8h18 a component of gasoline proceeds as follows
problem- the pkb values for the dibasic base b are pkb1 210 and pkb2 734 calculate the ph at each of the following
problem- determine the ph at the equivalence stoichiometric point in the titration of 29 ml of 015 m propanoic acidaq
problem- determine the volume in ml of 024 m liohaq needed to reach the equivalence stoichiometric point in the
problem- calculate the ph during the titration of 3000 ml of 01000 m hcoohaq with 01000 m naohaq after 29 ml of the
problem- what are the coefficients of the reactants and products in the balanced equation above remember to include
problem- n2o5 is a gas under standard conditions write the balanced equation for the formation reaction showing the
problem- calculate the h3o and ph of each of the following h2so4 solutions calculate ph for 050 m solutioni am thankful
problem- if a solution containing 53925 g of mercuryii acetate is allowed to react completely with a solution
problem- a 1701 g sample of mo2o3s is converted completely to another molybdenum oxide by adding oxygen the new oxide
problem- 40 g sodium hydroxide are dissolved in 100gof water the initial temperature of both materials was 21 degrees
problem- prior to their phase-out in the 1980s chemicals containing lead were commonly added to gasoline as
problem- bromine has two isotopes of 78918 u 5069 and 80916 u 4931 what is the average atomic mass of brany help is
problem- consider the titration of 442ml of 0265m hfwith 0215m naoh calculate the ph at each of the following
problem- 50ml of an acid in a colorimeter at 21 degrees celsius is added to 50 ml of base at 21 degrees celsius the