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i take 10 kg of ice and dump it into 10 kg of water and when equilibrium is reached i have 20 kg of ice at 0degc the
why does g always decrease as you move towards equillibrium no matter what concentrations of product and reactant you
what is the root-mean-square speed of chlorine gas molecules at a temperature of 320 k r 831 jmoltimesk na 602 yen
consider the titration of 100ml of 100m h2nnh2 kb3010-6 by 200 m hno3 calculate the ph of the resulting solution after
a pulsed proton beam is fired at a target each pulse lasts 450 ns and there are protons in each pulse each proton
a child is riding a merry-go-round which has an instantaneous angular speed of 125 rads and an angular acceleration os
a mixure of gases collected over water at 14 degrees celciushas a total pressure of 0981 atm and occupies 55mla how
a mechanic tests the tension in a fan belt by pushing against it with his thumb figure 528 the force of the push is 130
1 a 100 l buffer solution is 0150 m in hc7h5o2 and 0250 m in lic7h5o2 calculate the ph of the solution after the
why is the e isomer of 12-dibenzoylethylene more stable than the z isomer is this why irradiation goes from e to z and
two water waves meet at the same point one having a displacement above equilibrium of 60 cm and the other having a
how would you determine the density of the paper that you use in a photocopy machine and computer printer given the
how many grams of methane must be combusted to heat 115 of water from 260 to 890 assuming as a product and 100
a cube of ice is taken from the freezer at -77degc and placed in a99g aluminum calorimeter filled with297g of water at
1 you wish to prepare an hc2h3o2 buffer with a ph of 544 if the pka of this is 474 what ratio of c2h3o2-hc2h3o2 must
a typical car weighs about 3500 lb with an air pressure of 35 lbin2 greater than patm in each of the supporting tires
a potters wheel -- a thick stone disk of radius 0500 m and mass 110 kg -- is freely rotating at 500 revmin the potter
why are the kr---kr and intermolecular br---br distances in the solid form of the two elements practically identical
an isolated conductor of arbitrary shape has a net charge of 11 x 10- 6 c inside the conductor is a cavity within which
window glass is typically made by mixing soda ash na2co3 limestone caco3 and silica sand sio2 and then heating to 1500
a 16 ounce specialty coffee drink contains 216 mg caffeine if all the caffeine is extracted and dissolved in an equal
determine the number of revolutions through which a typical automobile tire turns in 1 yr suppose the automobile
in a classroom demonstration a speaker was mounted on the end of a 500 cm long arm and rotated in a horizontal circle
calculate the molar mass of a a gas that has a density of 198gl at stp and b an unknown liquid for which 333 liters at
reaction time is the shortest time interval elapsed after the driver of a car decides to apply the break for example