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when aqueous solitions of agno3 and nacl are mixed agcl precipitates balance equation issoaps are able to dessilve
who was neils bohr what is the bohr model of the hydrogen atom what did the model get right what did it get wrongplease
the reaction of hydrogen with oxygen produces water2h2go2grarr2h2oga-how many moles of o2 are required to react with 29
how much heat is required to boil away 11 kg of water that has an initial temperature of 212deg f hint latent heat of
pentane c5h12 burns in oxygen to produce carbon dioxide and water via the following
consider a situation in which 211 g of p4 are exposed to 240 g of o2a what is the maximum number of moles of p2o5 that
p4s10cl2grarr4pcl5ga how many moles of pcl5 can be produced from 260 g of p4 and excess cl2 express your answer to
if the system of problem is excited by a harmonic force of frequency 4 cps what will be the percentage increase in the
1 you have 125 ml of nitric acid but you dont know its concentration to determine the concentration you take a 3291 ml
a weight attached to a spring of stiffness 525 nm has a viscous damping devicewhen the weight is displaced and released
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