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derive the value of the flow of energy from earths surface to the atmosphere as a result of evapotranspiration express
the area of the piston to the master cylinder in a hydraulic braking system of a 4-wheel car is 05 square inches if a
an arrow is launched at annbspangle relative to the ground as it soars through the air the magnitude and direction of
a rectangular duct with air flowing measures 1 foot by 3 foot and it is to be compared to a 2 foot diameter round duct
imagine you are pulling a box with a mass of 728 kg along a horizontal floor with a net force of 200n at an angle of
an object with a mass of 233 kg has a net force fnet 8799357n acting on it what is the resulting y-component of
an object with a mass of 271 kg has a net force of 122 n acting on it in the positive x directionnbspwhat is the
assume the mass of the rocket sled is 2954 kg the thrust force t 141x104nbspn and the friction force f is 781
when jeff ran up a hill at 60 ms the horizontal component of his vector was 45 ms what was the vertical component of
given the following unbalanced chemical equation al cl2-gt alcl3 a 4 pts balance the equation what is the molar mass
the equilibrium constant k for the following reaction isnbsp129times10-2nbspatnbsp600nbspkcocl2gnbsplt-----gtnbspcog
describe four common effective uses to which medieval society put human and animal excrement feces and urine with
stearic acid and linoleic acid are both long chain carboxylic acids with 18 carbon atoms however there is a vast
assume that you are a chemist trying to prepare butyl ethanoate a flavouring agent used in the manufacture of ice-cream
anbsp181nbspnbspmg sample of a nonelectrolyte isolated from throat lozenges was dissolved in enough water to make 100
the experimentally measured freezing point of anbsp125nbspm aqueous solution ofnbspalcl3nbspisnbsp-744degc the freezing
the vapor pressure of carbon disulfide is 3556 torr at 25degc what is the vapor pressure of a solution prepared by
what is the molality of a solution prepared by dissolving 720 g of ethylene glycol hoch2ch2oh in 155 l of water
calculate the molarity of 750 ml of a solution that is 092 by mass nacl assume the density of the solution is the same
a what were the values of the mean mass and the random error for the five sets of ten beads as calculated on your
describe why it may be necessary to identify unknown chemicals in day to day life with specific
the equilibrium constant k for the following reaction isnbsp148times10-2nbspatnbsp604nbspkcocl2glt------gtnbspcog
write the lewis structure and chemical formula of the compound with a molar mass of about 70 gmol that contains 197
1 reference electrodesthenbspedegnbspvalue for the following reaction is 0446 v relative to the standard hydrogen
in the laboratory you dissolvenbsp244nbspg ofnbspsodium iodidenbspin a volumetric flask and add water to a total volume