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at 800 k the equilibrium constant for i2g 2 ig is kc 31 10-5 if an equilibrium mixture in a 100-l vessel contains 318
you are in the neighborhood of a star radius of 700000 kilometers which has emitted so many protons solar wind during
we add 10 ml of 01 m naoh to 100 ml of solution containing 01 m ch3co2h and 01 m ch3co2- ka 18 x 10-5 using the
a spring is compressed by 00748 m and is used to launch an object horizontally with a speed of 264 ms if the object
1 a fisherman notices that wave crests pass the bow of his anchored boat every 320 s he measures the distance between
if you had a 010 m solution of acetic acid ka18x10-5 citric acid ka14x10-4 lactic acid ka87x10-4 and oxalic acid
a 60 kg person jumps from rest off a 5m high tower straight down into the water neglect air resistance during the
a very fast-moving train car passes you moving to the right at 050c you measure its length to be 12m your friend david
120-v rms signal at 600hz is applied across a 300mh inductor and a 100 resistor what is the rms value of the voltage
1 a violin string vibrates at 264 hz when unfingered at what frequency will it vibrate if it is fingered one fourth of
assuming a quantum requirement for photosynthesis of 8 8 photons calculate a thermodynamic efficiency in percent under
a irregular piece of metal has a dry mass of 57 kg once it is submerged it has an apparent mass of 24 kg what is the
dry coke composed of 4 inert solids ash 90 carbon and 6 hydrogen at 40c is burned in a furnace with dry air at 40c the
a two balloons of identical volume radius 115 m are filled with gas the first with helium the second with hydrogen h2
1 the ph of a 10 x 10-7 m hcl aqueous solution is 679 and not 700 as you might expect with a simple ph -logh3o
what approximations can you make about reactances when the series rcl circult is connected to a batterywhich reactance
the plane of a flat circular loop of wire is vertical an external b-field is directed perpendicular to the plane of the
consider a 4500 ohm resistor in series with a 133 mh inductor what capacitance should be added in series so that the
examples and classifications of pisces amphibia mammalian reptilian
for the h2po4- -hpo4-2 bufer system pka721 if the ph of a urine sample is 56 and its total phosphate concentration is
a beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a
we did an experiment on leaf decomposition given the following information can someone supply the net balanced ionic
a large tank of water is full and has a depth of 100 m what is the pressure at the bottom of the tank what would the
a 245 kg person lays on board that is supported only on the ends and that has a mass of 120 kg if the person and the
a pair of hedge trimmers are 45 cm long from the pivot to the end of the handles if the person applies of a force of 15