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Liquid butane C4H10 , the fuel used in many disposable lighters, has delta Hfinal=-147.5 kj and a density of 0.579 g/ml . Use Hess's law to calculate the enthalpy of combustion in kJ/mol.
need to neutralize the NH2 and stanilize the polyamide. I just want to clarigy we we need to wash it in HCl after interfacial polymerization.
A saturated solution of silver(I) hydroxide, AgOH has a pH of 10.15. What is the value of the equilibrium constant, Ksp, for this system?
considering the given chemical reaction and given information about the reaction asnbsp3 ag bg rarr 2 cg dl where
one compound of mercury with a formula mass of 519 g mol-1 contains 77.26hg 9.25c and 1.17h with the balance beingo.
A student loaded a mixture onto a small flash chromatography column in 1 mL of methylene chloride, then proceeded to elute with hexanes/ethyl acetate
What volume of ammonia could be made from the reaction of 2.5 liters of nitrogen (N2) and 8.5 liters of hydrogen (H2) at STP?
Consider a metal atom, which we will give the symbol M. Metal M can readily form the M+ cation. If the sphere on the left below represents the metal atom M, which of the other three spheres would probably represent the M+ cation? Explain your choi..
When 190.0 mL of 0.360 mol are added to 190.0 mL of 1.00×10?2 M AgNO3 (aq), what percentage of the Ag+ is left unprecipitated?
Take the x-axis as lying perpendicular to the plane of the molecule. Does the N2px orbital participate in the hybridization for either species? Briefly explain your answer.
Biocarbonate ion can react in water to produce hydroxide ions and carbonic acid according to the equation below.
Write out a complete reaction mechanism for the synthesis of the 1,2-diphenyl-1,2-ethanediol acetal from 1,2-diphenyl-1,2-ethanediol and 2,2-dimethoxypropane in the presence of acid
if 28.0 ml of .150 m hcl is needed to neutralize all the nh3 from a 2.25-g sample of organic material calculate the
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