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what are the function of the plasma membrane cell wall nucleuschloroplast mitochondria golgi apparatus lysomes
a satellite of mass 6000 kg orbits the earth in a circular orbit of radius of 90106 m this is above the earths
the cytoskeleton consists of microtubules actin filaments andintermediate filaments microtubules serve to move vesicles
combustion analysis of 2400 g of an unknown compound containing carbon hydrogen and oxygen produced 4171 g of co2 and
it is necessary to determine the specific heat of an unknown object the mass of the object is 1700 g it is determined
what is the molarity of a potassium triiodide solution ki3aq if 3000 ml of the solution is required to completely react
a 139-kg object hangs in equilibrium at the end of a rope taken as massless while a wind pushes the object with a 665-n
2 noh2 n2o h2owhat will happen to the h2o when equilibrium is reestablished after the following stresses are applieda
basketball star covers 285 m horizontally in a jump to dunk the ball his motion through space can be modeled precisely
1 when doing a recrystallization what observations would prompt you to perform a hot filtration2 what problems might
pure benzophenone freezes at 481 celcius of 125 g of biphenyl c12h10 molar mass 1542 gmol with 2538 g of benzophenone
a white solid precipitate was dissolved with 6m nh3 the filtrate on adding 6m hno3 yielded a white precipitate again
sam pushes a 100-kg sack of bread flour on a frictionless horizontal surface with a constant horizontal force of 30 n
if 550 ml of ethanol density0789 gml initially at 80 c is mixed with 550 ml of water density 10 gmlninitially at 286 c
the tension in the horizontal towrope pulling a water-skier is 240 n while the skier moves due west a distance of 54 m
ph for the reaction 2 h2o l ltgt h3oaq oh-aq is 558 kjmol and the equilibrium constant for the reaction is keq
in an amusement park ride cars are suspended from l 429 m cables attached to rotating arms at a distance of d 611 m
one student used 01 moll naoh to titrate an unknown diprotic acid the concentration of the unknown acid is 51 gl and
on adding 10 drops of 6m hcl solution to an unknown solution of metal ions a chem-127 student observed a white
your cars wheels are 65 cm in diameter and the wheels are spinning at an angular velocity of 107 rads how fast is your
a student find out the mass percent of ni is 297 nh3 is 344 and cl is 359 in a compund containing nickel ammonia and
a diver springs upward from a diving board at the instant she contacts the water her speed is 890 ms and her body is
the thermochemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows n2g3h2g--gt
when zinc chloride zncl2 reacts with nh3 solution a white crystalline compound znnh3ncl2 is produced a student used the
a student determined the following percent transmittances for a 05 m chromium ion solution using a spectronic 20