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can someone explain about rate laws and reaction mechanisms and how to find good reaction
describe the four quantum numbers giving descriptions and allowable rules for each then show a set of allowable quantum
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how much energy in kilojoules is released when 260 of ethanol vapor at 935 is cooled to -130 ethanol has -1145 784
how many grams of na2so4 fm 14201 should be added to how many grams of sulfuric acid fm9808 to give 100l of buffer with
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compare and describe the 2 different definitions of acids and bases explain the difference between a weak acid and a
we did not find results for a solution is prepared by dissolving 280 g of glucose in 360 g of water the final volume of
define ion cation anion how are each formed can you pleas provide examples of cations and anions what is a polyatomic
develop a scheme to separate ag mg2 and pb2 cations in solution and draw a flow chart that depicts your
how many moles of nh4cl must be added to 10 l of 10 m solution of nh3 to prepare a buffer solution with a ph of 900 of
precision calipers were used to measure a face-centered unit cell of cu the dimension of the unit cell is 03616nm
a solution of potassium permaganate is standardized with iron metal a primary standard the iron is dissolved in acid
125 moles of nocl were placed in a 250 l reaction chamber at 427ordmc after equilibrium was reached 110 moles of nocl
calculate the ph of each of the following solutions containing two solutes in the concentrations indicated a 050 m hoac
a student poured the hydrogen peroxide unknown into a clean wet erlenmeyer flask the stdent thought that as long as the
in the first determination a student heated the solution of hydrogen peroxide and sulfuric acid before titration later
5 if molten metal is dropped quickly onto a highly chilled surface it is possible that the metal may become supercooled
draw resonance structures to show in which position 4-methylacetanilide will undergo
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using the henderson-hasselbalch equation calculate the ph of an ammonia buffer when the nh3nh4 ratio is 04 moles06
a solution at ph 7 contains a weak acid ha the pka of the acid is 65 what is the ratio of a-ha note the negative next