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an x-ray photon of wavelength 0930 strikes a surface the emitted electron has a kinetic energy of 940 what is the
give the percent yield when 2816 g of co2 are formed from the reaction of 4000 moles of c8h18 with 8000 moles of o22
iron 3 oxide and aluminum powder form an extremely violent reaction called thermite when burned together this is an
an old bottle of hcl was taken from the stockroom and a titration analysis was performed on it the bottle of this acid
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a student plans to titrate 2500ml of a 0134m hno3 solution with a 0179m naoh solution calculate the volume of naohin ml
if 368 grams of fes2 is allowed to react with 220 grams of o2 according to the following unbalanced equation how many
ammonium nitrate decomposes to n2o and water at temperatures between 250c and 300c write a balanced chemical reaction
draw the product you expect from the reaction of r-2-bromooctane with ch3s- be sure to show
consider the halide ions as nucleophiles briefly explain why f- the strongest base among the halide ions is the best
a solution of 25 mol hf diluted to 10 l has a hydronium ion concentration of 13x10-2 m what is the percent ionization
the enthalpy of combustion for propane is -2044 kjmol how many liters of propane at stp must be burned in order to
the specific rotation of s--2-octanol is 89o what is the enantiomeric excess as a percentage and of which isomer for a
protein sequencing question determine the sequence of a peptide consisting of 14 amino acids on the basis of the
draw the structure of the major organic product from each of the following reactions part a the reaction of
what is the ph of a solution that results from mixing together equal volumes of a 0110 m solution of acetic acid and a
the odor of spoiled butter is due in part to butanoic acid which results from the chemical breakdown of butter fat a
net equations and mechanisms for tollens test and iodoform test with 33-dimethyl-2-butanonealso net equation and
a total of 200 of a compound is allowed to react with water in a foam coffee cup and the reaction produces 121 of
explain why it is unwise to use column chromatography on compounds having boiling points below about 150 degc 760