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molarity and stoichiometry-omegadirections nbspusing the definition of molarity the given balanced equations and
1 below is a generalised depiction of a reaction between a carboxylic acid in this case butanoic acid and an alcohol
what ph range would you expect the equivalence point to lie for the titration of a weak base such as ammonia with a
could you please explain why two 2pz or two 2px orbitals form a sigma bond whereas two 2py orbitals form a pi
hydrogen bonds vary in strength from about 4 to 40 kjmol given that the hydrogen bonds between water molecules are at
dihydrogen monoxide or its more common name water is an interesting and unique substance that has virtually
answer the following acid-base questions as they apply tonbsppotassium hydroxidenbspandnbsphydrobromic acida
arrange the following in order of ease of liquefaction ccl4 ch4 and cf4 would them all be the same as they are all
the average rate for the loss of ammonia is found to be 330 x 10-4nbspm min-1 calculate the average rate for the
the enthalpy of combustion of gasoline is about 45 kjg the amount of energy needed to heat 1 g of water from 20 degc to
what is the half-life ofnbspbismuth-210nbspifnbsp941nbspdaysnbspare required for the mass of a sample
gallium-67 is used medically in tumor-seeking agents the half-life ofnbspgallium-67nbspisnbsp782nbsphours if you begin
what should the molar concentrations of benzoic acid and sodium benzoate be in a solution that is buffered at anbspph
acetic acid ch3cooh is the component in vinegar that gives it its acidity it is a weak acid and only partly ionizes
for the reaction 2so2 o2 ----gt 2so3 the initial rate 250 x 10-2 m s-1 when so20 0570 m and o20 0410 m if the rate
powdered activated carbon is often added at water treatment plants to control concentrations of geosmin which is a
discuss how you think chemistry of hazardous materials class will benefit you as a first
the average kinetic energy for a volume of gas can be found by multiplying the following 32 temperature in kelvin and
now consider 1 g of nuclear fuel a common fission reaction is235u nbsp1n rarr91kr nbsp142ba 3nbsp1nthe masses of these
consider the following gas phase chemical reaction 2agrarrbgwrite down the expression for the equilibrium constant of
an air compressor used with a paint sprayer does 670 j of work pumping air into a tank warmed by the process the air in
this mass loss of 01866 g for each mole ofnbsp235u reacting corresponds to 794 x 10-4nbspg per 1 gram ofnbsp235u fuel
you are told to assemble an electrochemical cell with one half-cell being cl2 the other half-cell could be al mg or zn
the equilibrium constant kp for n2o4 lt---gt 2no2 is 14 at 25oc calculate go from this constant and compare your
given that k for a reaction is 474 x 1050 calculate eo assume that n2 if your e value from the nernst equation were