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please explain to me in simple terms the differences between butanone and 2-butanone im also trying to understand the
how many protons and electrons are needed to make an atom neutral what about the number of neutrons how many protons
h2so4 na2ooccoo hf nah2po4 answer the questions below for all the compounds1 classify the substance as a weak acid
when comparing the ph of two lakes suspected of suffering from acid deposition a student determined the average ph of
1 an unknown suspension conducts electricity turns red litmus blue and forms precipitate when sodium sulfate solution
1- ph is below 7 close to 0 2- ph is below 7 close to 7 3- reacts slowly with mgs metal 4-reacts vigorously with mgs
the correct indicator for a given titration system depends on the strength of the acid being titrated how could we
calculate the molecular weight of a small protein if a 040-g sample dissolved in 101 ml of water has an osmotic
what would be the freezing point of a solution containing 8263 g of biphenyl c12h10 dissolved in 185940 g of
when 10 g of gasoline burns it releases 11 kcal of heat the density of gasoline is 074 gml how many megajoules are
what will be the amount of energy in joules and kilo calories in a marshmallow that was burned to increase the
a 130-mg sample of technetium-99 m is used for a diagnostic test if technetium-99 m has a half-life of 60 h how many
carbon tetrachloride ccl4 was once used as a dry cleaning solvent but is no longer used because it isnbspcarcinogenic
what is the ratio ofnbsp14c t12nbsp 5730 years in a wooden object made in 100 bc to one made from the same kind of wood
why would a phosphate buffer with only half as much nah2po4 compared to na2hpo4 decrease the solutions ability to
consider the case of a radioactive element x which decays by electron beta emission with a half-life of 4 days to a
25 mg of hydrogen chloride gas is dissolved in 200 l of water if the solution is tested with the orange iv indicator
high-purity benzoic acid c6h5coohnbspdeltanbsphrxn for combustion -3227 kjmol is used as a standard for calibrating
thenbsp14c activity of some ancient peruvian corn was found to be 10 disintegrations per minute per gram of c if
a geiger counter registered 1000 countssecond from a sample that contained a radioactive isotope of polonium after 50
pentane c5h12 hasa molecular weight of 72 and hexanec6h14 has a molecular weight of 86thedeltat of hexane is 9225
a sample of helium gas at 270 degc and 300 atm pressure is cooled in the same container to a temperature of -730 degc
an acid-base neutralization reaction causes the temperature of asolution and beaker to rise from 23 degrees celcius to
one of the reactions you observed resulted in these products nacl h2o co2 g what well did this reaction occur in
suppose a household product label says it contains sodium hydrogen carbonate sodium bicarbonate using your results from