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how do you figure out how long it takes in minutes for light to reach the earth from the sun a distance of 150500000
aqueous free chlorine is hypochlorous acid hocl and hypochlorite ion ocl- with the relative amounts depending on the ph
1 draw a six-carbon-chain portion from syndiotactic polypropylene in which the ch3 groups lie on alternating sides of
a liter and a half of water is boiling at 1053c assuming standard pressure how much mass ki must be in
assume a weather balloon is a perfect sphere with radius r3m archimedes principle states that if something is less
two aqueous sulfuric acid solutions containing 20 wt h2so4 sg1139 and 60 wt h2so4 sg1498 are mixed to form a 400 m
what is the circumference of a solid ivory cue ball in inches given that it has a mass of 825 grams and ivory has a
the density of air at ordinary atmospheric pressure and 25 degrees c is 119 gl what is the mass in kilograms of the air
gallium crystallizes in a primitive cubic unit cell the length of an edge of this cube is 362 pm what is the radius of
a reaction has a rate constant of 00867 sec-1 how much of the compound in moll is left after 0545 min if there was 0528
one important daughter nucleus produced in the decay of tellurium-132 is iodine-132 which has a half life of 23 hours
calculate how many grams of the first reactant are necessary to completely react with 534 g of the second
what would be the mass and volume of th-230 density 117 gcm3 that you would extract from 110 american tons 220000
for the point group c3v does the coefficient for 2c3 operation indicate that you can rotate it twice in one direction
gasoline is produced from crude oila nonrenewable resource ethanol is mixed with gasoline to produced a fuel called
calculate the work done during the isothermal reversible expansion of a van der waals gas account physically for the
derive an expression for the compression factor of a gas that obeys the equation state pv-nb nrt where b and r are
derive an expression for the elution time of charged solute undergoing electrophoresis in a ce unit with capillary
what volume of antifreeze c2h4oh2 mw 62068 gmol and density of 11132 gml and what volume of water must be mixed
quicklime cao is produced by the thermal decomposition of calcium carbonate calculate the volume of co2 at stp produced
what volume of 0455 m koh must be diluted with water to prepare 250 l of a solution having a ph of
calculate the sulfide ion concentration that is required to just start precipitation of cos from a solution that is 010
how many structural isomers ignoring any cistrans or stereroisomers are there given the following chemical formula
if 268 g of sodium sulfide reacts with 106 g of copper i nitrate how much of the product containing the transition
ethylene glycol ch2ohch2oh an important ingredient in automobile antifreeze is much more soluble in water than octyl