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a student titrated a sample containing 5671 grams of oxalic acid with 3150 n of naoh the end point was reached after
what are the favored geometrical arrangements for abn molecules for which the a atom has 2345 and 6 pairs of electrons
calculate the expected ph of a solution at the equivalence point using naoh 00997m and acetic acid 01048m the ka for
a dilute soluton of hcl with a mass of 61029 g and containing 033183 mol of hcl was exactly neutralized in a
does molecular size cause negative or positive deviations from the pvrt ratio of an ideal gas use data from table 54 to
when 270 grams of an unknown liquid at 3900 degc are added to 177 grams of 4170 degc water the temperature of the final
suppose that 0490 mol of methane ch4g is reacted with 0640 mol of fluorine f2g forming cf4g and hfg as sole products
suppose that 0330 mol of methane ch4g is reacted with 0480 of fluorine 0480 mol f2g forming cf4g and hfg as sole
write the structural formula of the main organic product for the following reaction between an alcohol tosyl chloride
in a study of alcohol dehydrogenase on alcohol at250 degrees celcius the concentration of ethanol in a first order
cah2 2h2o --gt 2h2 caoh2 how many grams of calcium hydride are needed to produce 10l of hydrogen gas collected over
the thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order
calculate the temperature at which k 100 s-1 if k 500 s-1 at 318 k the activation energy for the reaction is 450 kj
if the rate of formation of c at a certain time in the reaction 2ab gives 3cd was to be 25 molls what is the rate of
how does the radius of li compare to the radius of li find actual value and explain why how does the radius of cl-
a based on the amounts of copper metal1017g and nitric acid52ml you used in the reaction calculate the number of moles
sodium vapor lamps are used to illuminate streets and highways the very bright light emitted by these lamps is actually
give structural formulas condensedor bond-linefor all of the different alkenes that can be hydrogenated with h2pt to
the following reaction is used to generate hydrogen gas in the laboratory if 243 ml of gas is collected over water at
the blah taste of many processed orange juice brands results in part from the fact that the juice must be pasteurized
use the octet rule to predict the formula of the simplest compound formed from hydrogen and
arrange the acids hobr hbro3 and hbro2 in order of increasing acid strength and explain
when the following reaction is balanced in basic solution using the lowest possible whole number coefficients the
what happens structurally when an amine is dissolved in an aqueous acid compared to when a carboxylic acid is dissolved
a gas expands from 282 ml to 971 ml at constant temperature calculate the work done in joules by the gas if it expands