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problem- if the heat of vaporization of ammonia nh3 is 223 kjmol and its boiling point is -300oc what is the entropy
problem- the integrated rate law allows chemists to predict the reactant concentration after a certain amount of time
problem- write the overall equation for the reaction of hi hydroiodic or hydroidic acid and potassium hydroxide include
problem- a 980-l container holds a mixture of two gases at 17 c the partial pressure of gas a and gas b respectively
problem- a weak organic acid pka 482 is being studied as a potential broadleaf herbicide one aspect of the study
problem- what are the concentrations of h30 and oh- in oranges with a ph of 380 i got h3010-380 158x10-4 but cant
problem- aqueous sodium sulfide reacts with aqueous copperii nitrate to form aqueous sodium nitrate and solid copperii
problem- a quantitative analysis for an analyte gives a mean concentration of 126 ppm the standard deviation for the
problem- 1 discuss the chemical structural characteristics of polyethylene and styrene-butadiene rubber2 describe two
problem- mass spectral analysis of 3 3-dimethyl-2-butanone results in several fragmentation pathways complete the
problem- a 25 g sample of french fries is placed in a calorimeter with 5000 g of water at an initial temperature of
problem- calculate the de broglie wavelength in meters of an electron that is ejected from a metal surface with a
problem- 2naohsco2gna2co3sh2olwhich reagent is the limiting reactant when 208mol naoh and 110mol co2 are allowed to
problem- a qualitative analysis of an unknown acid found only carbon hydrogen and oxygen a follow-up quantitative
problem- what phase transition is occurring when a black deposit of tungsten metal collects on the inside of a
problem- the ideal bond angle for a tetrahedral electron group arrangement is 1095 degrees the bond angle measured for
problem- liquid butane is stored in cylinders to be used as fuel suppose 355 of butane gas is removed from a cylinder
problem- a unit cell of sodium chloride face centered cubic was chosen so that the face-centered cube was formed from
problem- bovine serum albumin bsa is a biochemically useful protein a 0452 gram sample of bovine serum albumin is
problem- ch3ch2ph2 can be synthesized by an sn2 reaction draw the structures of the alkyl chloride and nucleophile that
problem- molar nuclear mass of c-14 is 14003241 gmol the molar mass of a proton is 1007825 gmol the molar mass of a
problem- a certain isotope has a specific activity of 729e-4 cig how many alpha particles will a 750 mg sample emit in
problem- an empty vial weighs 5330 g a if the vial weighs 18421 g when filled with liquid mercury d 1353 gcm3 what is
problem- what is the molar solubility of pbio32 in a 010 m naio3 solution is 24 x 10-11 moll what is the ksp for
problem- calculate the amount of heat required to completely sublime 770g of solid dry ice co2 at its sublimation