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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 khc8h4o4 mw 2042215 gmol in order to titrate a sample of khp a
a spring-mass is excited by a force fo sin wt at resonance the amplitude is measured to be 058 cm at 080 resonant
an open vessel containing 02 lb of liquid water placed in an empty room 5ft wide and 4ft deep and 7ft high which
plot the real and imaginary parts of eq 31-17 for zeta 001 and
a sample of solution contains 0039g of magnesium ion in 25kg of sea water how many ppm of mg2 are there in the
a spray contains 042g of antiseptic phenol is dissolved in 270ml of solution what is the weightvolume percent
for the system shown in figure set up the equation of motion and solve for the steady-state amplitude and phase angle
in a sample consisting of 100 mol nabr and 0300 mol ki what is the mass perentage of
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
shown in figure is a cylinder of mass m connected to a spring of stiffness k excited through viscous friction c to a
a stellar objective is emitting radiation at 335mm if a detector on earth is capturing 33x108 photons per second at
if for the same disk of problem the trial weight of 2 oz is placed at 135deg cw from the reference mark the new
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
1 the combustion of propane with oxygen is described in the unbalanced reaction below if 01240 kg of propane is
a balanced wheel supported on springs as shown in figure is rotating at 1200 rpm if a bolt weighing 15 g and located 5
a particle has a velocity of 33 of the speed of light if the wavelength of the particle is 15 x 10-10 m calculate the
in a chemical reaction c2h6o pcl3 aelig c2h5cl h3po3 when the reaction was carried out the actual yield of c2h5cl was
calculate the ph of a 160 m kbro solution ka for hypobromous acid hbro is 20 times
find the ka of a weak acid given the following information the concentration of the acid was found from the titration