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a solution is prepared by disolving 060 g of nicotine a nonelectrolyte in water to make 12 ml of solution the osmotic
a landing airplane makes contact with the runway with a speed of 40 ms and moves toward the south after 8 minutes the
the vapor pressure of pure water at 25 celcius is 238 torr what is the vapor pressure torr of water above a solution
procaine hydrochloride m 27277 gmol is used as a local anesthetic calculate the molarity of a 4666 m solution which
a 2298 g ice cube at -945 oc is place in an aluminum cup whose initial temperature is 7996 oc the system comes to an
if you fill your tank with 41 of gasoline by how much does the cars mass
the radius of an atom of gold au is about 135 angstron a express this distance in nanometers and in picometers b how
consider the following reaction where has a mass of 14003 074 u has a mass of 12000 000 u d has a mass of 2014 102 u
a block of mass m is attached to a spring ofspring constant k and is moving with constant speed in a horizontalcircle
a serving of kellogs corn flakes is 00892 k by mass the usrda for potassium is 60g if one serving of corn flakes has a
a covex lens of focal length 10 cm placed 40 cm in front of aconcave lens of focal length 25 cma small object is placed
based on the following equation determine the mass of a 500ml sample of your salt solution report the mass as a number
a transverse harmonic wave travels on a rope according to the following expression yxt 015sin22x 174t the mass
a 1000 kg car is pushed up a 175 degree incline for a distance of300 m at a constant speed assume the applied force is
two point charges are fixed on the y axis a negativepoint charge q1 -28microc at y1 025m and a positive point charge
water flows through a venturi meter with a pipe diameter of 90 cm and a constriction diameter of 56 cm the u-tube
ammonia is produced using the haber process in which nitrogen and hydrogen combine n2g 3h2g gt 2nh3g how many grams of
a seagull flies at a speed of 10ms directly into the wind knowing that it takes the bird 25 min to travel 8km relative
a 1484-kg car is moving westward with a speed of 207 ms and a 2888-kg truck is traveling east with a speed of 159 ms
on a trip of 287 miles a driver maintains an average speed of 850 kmhr how many minutes does the trip
a speaker fixed to a moving platform moves toward a wall emitting a steady sound with a frequency of 225 hz a person
a bird is flying around the world at a rate of 885 ftsec how many days will it take to complete its journey
a person stands at a point 510m in front of the face of a sheer cliffnbsp if the person shouts how much time will
the concentration of a drug in the body is often expressed in units of milligrams per kilogram of body weight the drug
a steel cable with total length 20m and mass 100kg is connected to two polesnbsp the tension in the cable is 2000n and