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a double slit is opposite the center of a 16-m wide screen 24 m from the slits the slit separation is 24 microm and the
the following solutions were mixed together 500ml of a 0761m feso4 and 200ml of a 105m k2cr2o7 in dilute sulfuric acid
a 75g bungee cord has an equilibrium length of 12 m the cord is stretched to a length of 18m then vibrated at 20 hz
write the balanced chemical reaction for the reaction between hydrochloric acid hcl and calcium hydroxide caoh2 when
2nh3g----n2g 3h2 gat equilibrium it was found that the concentrations were0584m for h2 0195m for n2 and 430m for nh3
the index of refraction of the core of a piece of fiber optic cable is 172 if the index of the surrounding cladding is
30 mol h2 and 30 mol i2 are mixed in a 100l container and the reaction forms hi if kc49 for this reaction what is the
a fish appears to be 200 m below the surface of a pond when viewed almost directly above by a fisherman what is the
a specimen of oil having an initial volume of 620 cm3 is subjected to a pressure increase of 36 mpa and the volume is
ozone is depleted in the stratosphere by chlorine from cf3cl according to the following set of equationscf3cl uv light
air that occupies 015 cubic meters at 103e05 pa gauge pressure is expanded isothermally to atmospheric pressure and
the ph of a certain solution is 45 what is the concentration of haq ions in the solutiona 316 x 10-5 mb 316 x 104 mc 45
a merry-go-round at a playground is a circular platform that is mounted parallel to the ground and can rotate about an
a circular loop of wire in the horizontal plane carries a counterclockwise current as viewed from aboveif the diameter
you have a 1 gl solution of soil organic matter the amount of fulvic acid is 2 times the amount of humic acid you add 2
a horizontal magnetic field of 11times104 t is at an angle of 31 to the direction of the current in a straight
100 ml of 0150 m acid h2a are mixed with 100 ml of 01600 m naoh calculate the h of the resulting solution at
a basketball player is balancing a spinning basketball on the tip of his finger the angular velocity of the ball slows
a merry-go-round r2m initially at rest is given a constant tangential push that depends on time ft betat applied on the
200 ml of 0150 m acid ha are mixed with 100 ml of 00800 m naoh calculate the titration constant kt of the resulting
a gymnast on a high bar swings through three revolutions in a time of 290 s the magnitude of the average angular
1 a 10 m length of straight wire carries a current of 22 a in a uniform magnetic field of 50mt whose direction is at an
how much carbon dioxide in kilograms is produced upon the complete combustion of 291 l of propane approximate contents
youre standing on an asteroid when you see your best friend rocketing by in her new spaceship as she goes by you notice
if you are given a beers law plot and a value for the absorbance of an unknown solution how will you determine the