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1 you have 125 ml of nitric acid but you dont know its concentration to determine the concentration you take a 3291 ml
1 a bottle is labeled 200 percent by mass hcl with a density of 1096gml calculate the morality please show and explain
khp is a monoprotic acid with a molecular formula of khc8h4o4nbspmw 2042215 gmol innbsporder to titrate a sample of
1 hydrogen sulfide combines with sodium hydroxide in a double displacement reactiona what is the mass of na2s produced
calculate the number of moles of gas contained in a 0325 l tank at 19c and 0914 atm r008206 l atmk molthr specific heat
an open vessel containing 02 lb of liquid water placed in an empty room 5ft wide and 4ft deep and 7ft high which
a spray contains 042g of antiseptic phenol is dissolved in 270ml of solution what is the weightvolume percent
what is the cell potential e by combining the above two half reaction to make a working voltaic cell write the overall
1 calculate the heat capacity in joules and in calories per degree of the following a 284 g of water b 100 oz of lead2
a 4000 ml sample of a dialkylether vapor was found to weigh 08425 g at 1000 bar and 7000 c use the ideal gas law to
the reaction below can be used to prepare potassium permanganate kmno4 a powerful oxidizing agent when the reaction is
a stellar objective is emitting radiation at 335mm if a detector on earth is capturing 33x108 photons per second at
what is the concentration of chloride ions in a solution that contains 156 mm sodium chloride 214 mm calcium chloride
1 you have dissolved 0503 g of potassium hydroxide in 125 ml of water you wish to neutralize this base by adding
a substance b has a normal boiling point of 893 degc and its enthalpy of vaporization of 260 j g-1 to change 150 grams
if i were to take a 1 kg block of ice whose temperature was -30 c and drop it into a container holding 2 kg of water at
1the combustion of propane with oxygen is described in the unbalanced reaction below if 01240 kg of propane is
1 if the edge length of the unit cell isnbsp5852nbsppm what is the density ofnbsphgsnbspin gcm32 true or false when a
what is the difference between dh and de and why are standard heats of formation for elements in their most stable form
in a chemical reaction c2h6o pcl3 aelig c2h5cl h3po3 when the reaction was carried out the actual yield of c2h5cl was
find the ka of a weak acid given the following information the concentration of the acid was found from the titration
many scientists are using 37 mg per kg bw per d-1 as the current value for the slope of the dose-response curve for
the equilibrium constant k for the following reaction isnbsp510times10-6nbspatnbsp548nbspknh4cls lt-----gtnbspnh3g
question what is inductive effectdiscuss the following points in inductive effect salient features example relation
chloroform chcl3 was formerly used as an anesthetic but its use was discontinued due to respiratory and cardiac