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the classroom has a volume of about 100 m3 the pressure is atmospheric and the temperature is 75 ordmfihow many moles
a grandfather pulls his granddaughter whose mass is 193 kg and who is sitting on a swing with ropes of length 275 m
a nuclear device containing 800kg of plutonium explodes the rest mass of the products of the explosion is less than the
your spaceship lands on an unknown planet to determine the characteristics of this planet you drop a 110 wrench from
an electron is moving at a speed of 11e4 ms in a circular path of radius of 21 cm inside a solenoid the magnetic field
a wedge of mass m 250 kg is located on a plane that is inclined by an angle 206deg with respect to the horizontal a
a 25 resistor is connected across a 120 source the resistor is then lowered into an insulated beaker containing 10 of
calculate the time in hours which would have been required for 999 of the t-butyl chloride to hydrolyze if the reactant
a system performs 357 j of work on its surroundings while losing 133 j of internal energy determine the heat
two blocks of masses m and 3m are placed on a frictionless horizontal surface a light spring is attached to the more
a manometer was connected to a bulb containing nitrogen under slight pressure the gas was allowed to escape through a
a laboratory cyclotron is used to accelerate alpha particles he2 with a kinetic energy of 184 mev the magnetic field is
the of is accompanied by a ray of measured wavelength 248times102 this decay is due to a transition of the nucleus
abased on the datainformation given in items 1 to 4 explainjustify all results derived from the dataresults in each
1the acid hydolysis of a small peptide was found to be tyr phe aspglylysval and ala2the original peptide when treated
1 draw the product of the reaction of cyclopentanone hydrazine heated in triethylene glycol with sodium hydroxide
a predict the product of the reaction of cyclopentanone with ethylene glycol p-toluenesulfonic acid and benzeneb draw
the moons mass is 74 x 1022kg and it orbits 38 x 108m from the earth what is the angular momentum of the moon around
a draw the product of the reaction of propanal with methanol containing dissolved hydrogen chlorideb draw the product
a draw the product of the reaction of propanal with lithium aluminum hydride followed by waterb draw the product of the
1 which statement about ka is truea it represents a proton concentration at which 50 of the titratable group is in the
if 200 mol of argon is mixed with 300 mol of xenon and the total pressure of the system is 860 torr what are the
a 30 g ball of clay traveling east at 20 ms collides and sticks together with a 30 g ball of clay traveling north at 40
the town of natrium west virginia derives its name from the sodium produced in the electrolysis of molten sodium