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a mixture of water and graphite is heated to 600k when the system comes to equilibrium it contains 030 mol of h2 030
a 700 kg man jumps 100 m down onto a concrete walkway his downward motion stops in 00200 seconds if he forgets tobend
a single human cell encloses about 15m of dna containing45 billion base pairs what is the spacing between these base
find the equilibrium partial pressures of a and b for each of the following different values of kp assume that the
a heat engine operates in a carnot cycle between 800 c and 350 c it absorbs 21000 j of energy per cycle from the
a gas is compressed at a constant pressure of 0800atm from900 l to 200 l in the process 400 j of energy leaves the gas
calculate the conversion rate in hz for problem 4-11 if the peak were sampled and digitized 141 times and the total
a particular race car can cover a quarter-mile track 402min 640s starting from a standstill assuming the acceleration
we want to support a thin hoop by a horizontal nail and havethe hoop make one complete small-angle oscillation each 20
for an adc with a range of 00 to 135 v and a digitization uncertainty of 1 lsb what is the maxumum uncertainty in the
combustion of an unknown hydrocarbon a compound containing only c and h yields 14366 g co2 and 2940 g of h20a what is
a spherical brass shell has an interior volume of 126 x10-3 m3 within this interior volume is asolid steel ball that
describe any evidence that a chemical reaction occurred when you added 6 m hcl to the solution of sodium salicylate
the average density of a fish can be found by firstweighing it in air and then finding the apparent weight of the
water entering a house flows with a speed of 020 ms through a pipe of 24 cm inside diameter what is the speed of the
in a first order decomposition reaction 500 of a compound decomposes in 175 min what is the rate constant of the
what mass of precipitate will form if 150 l of concentrated pbclo32 is mixed with 0700 l of 0180 m nai assume the
awrecking ball weight 4800 n is supported by a boom which maybe assumed to be uniform and has a weight of 3600 n as
draw all possible stereoisomers for each of the following compounds if no stereoisomers are possible only draw one
a sample of helium behaves as an ideal gas as energy is addedby heat at constant pressure from 273k to 393 k if 200 j
a uniform 2 kg cylinder of radius 015m is suspended by twostrings wrapped around it as the cylinder descends the
a 124 ml sample of liquid butane density 0573 gml is evaporated in an otherwise empty container at a temperature of
the drawing shows a circus clown who weighs 980 n the coefficient of static friction between theclowns feet and the
three identical resistors are connected in series when acertain potential difference is applied across the combination
if you take a 100-ml portion of the stock solution and dilute it to a total volume of 0430 l what will be the