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a balloon is inflated with 02494g of helium to a pressure of 126 atm if the desired volume of the balloon is 125l what
a 420l sample of neon gas at 15 degrees c is at a pressure of 790mmhg if the gas is compressed to 150l and the
if the pressure exerted on a 375 ml sampe of hydrogen gas at a constant temperature is decreased from 175 atm to 100
a gas in a canister with a volume of 20l at 10 atm and 210 degrees c is transfered to a smaller container with a volume
when ammonia gas nh3 is passed over hot liquid sodium metal hydrogen gas h2 is released and sodium amide nanh2 is
boron sulfide b2s3 reacts violently with water to form dissolved boric acid h3bo3 and hydrogen sulfide gas what is the
when solid mercury ii is heated it forms solid mercury ii oxide and gaseous nitrogen dioxide and oxygen what is the
a solution composed of an equal number of moles of acetone and chloroform has a vapor pressure of 250 torr at 35
given a vapor pressure of toluene of 21 mm hg at 760 mm hg what is the equilibrium concentration for
immunoglobulin gigg formerly called gamma globulin is a principle antibody in blood serum a 0955 gram sample of
1000 ml of 0100 m acetic acid is placed in a flask and is titrated with 0100 m sodium hydroxide an appropriate
a 1366 mg sample of a crushed vitamin c tablet was dissolved in 40 ml of h2so4 and 20 ml of water 2 grams of ki and
a block of dry ice of dimensions 25 cm x 25 cm x 25 cm is left to sublime in a closed chamber of dimensions 400 m x 500
explain the different mechanisms by which each of the inhibitors act to reduce the activity of the catalytic
using proper 3d wedgedash perspective drawings draw all of the products of the reaction of methylcyclopentane with br2
identities of the components in a mixture may be determined by a technique called spiking suppose you had run a gas
the peregrine falcon has been measured as traveling up to 350 kmhr in a dive if this falcon could fly to the moon at
1 a lucky individual wins a lottery the prize in the lottery is one mole of dollars 100 mol this particular individual
do you experimental data substantiate the rule of thumb regarding the effect on the reaction rate of a 10-degree
you have 2000 ml hcl aq - you are able to reach equilibrium at ph 700 through titration by adding 1425 ml of 02030 m
aspirini has a density of 140 gcm3 what is the volume in cubic centimeters of an aspirin tablet weighing
a reverse osmosis unit is used to obtain drinkable water from a source that contains 0570 g nacl per liter what is the
for a certain experiment r-140a vapor is contained in a sealed glass tube at 20 degrees celcius we want to know the
what would happen to the transmittance value if the wavelegth is changed from 447nm to 520
rank the bonds of cabr2 ch4 and na3n in order of decreasing ionic character where do we always find compounds