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a- calculate the number of moles of aluminum sulfur and oxygen atoms in 300 moles of aluminum sulfate al2so43 express
ag br- lt-----gt agbrequilibrium problemcalculate the amount of agbr solid that forms and the concentration of ag and
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
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 khc8h4o4 mw 2042215 gmol in order to titrate a sample of khp a
an open vessel containing 02 lb of liquid water placed in an empty room 5ft wide and 4ft deep and 7ft high which
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
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
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
1 the combustion of propane with oxygen is described in the unbalanced reaction below if 01240 kg of propane is