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in a closed piston-cylinder device an isothermal expansion of anideal gas from 15 m3 to 47m3 occurs at a temperature of
at sea world a 320-kg seal slides down aramp into the pool below the top of the ramp is 175 m higher than the surface
how many grams of cobalt iii chloride and of hydrogen fluoride are needed to prepare 10000 grams of cobalt iii
a hockey puck is sliding across a frozen pond with an initial speedof 81 ms it comes to rest after sliding adistance of
an 800 kg skydiver jumps out of a balloon at an altitude of 1000m and opens the parachute at an altitude of 200m
a model-train car of mass 275 gtraveling with a speed of 050 ms links up with another car ofmass 410 g that is
a gas sampling device containing 200g of the sorbent tenax is used to collect organic impurities from air that may be
a vibrating string has a fundamental frequency of 224 hz the tension is then increased by a factor of24 what is the new
we have a situation where hydrogen gas at 300 degrees c is flowing out of a tube at the rate of 100mlminamp160 the tube
an 857 kg block slides with an initial speed of 160 ms up a ramp inclined at an angle of 278 degrees with the
an empty capacitor is connected to a 157-v battery andcharged up the capacitor is then disconnected from the batteryand
we have a situation where hydrogen gas at 300 degrees c is flowing out of a tube at the rate of 100mlmin the tube is
the bond length of 13 na 19f is 1926 pm calculate the value of b and the spacing between lines in the pure rotational
a 2084 kg car moving with an initial speed of 65 mph along ahorizontal road skids to a complete stop in 128 seconds
an 24 m long rod ofmass m1 170 kg is supported on a knife edge at itsmidpoint a ball of clay ofmass m2 22 kg is
why would you observe a pure rotational spectrum in the microwave region and a rotational-vibrational spectrum rather
what is the centrifugal acceleration of the moon in meterss2 if it takes the moon 295 days to make oneorbit around the
what quantity of energy in joules is required to raise the temperature of 454g of tin from room temperature 250 degree
a spring is hanging vertically in an unstretchedcondition the spring stretches 20 cm when a 500 g mass ishung from it
a 200 l flask is filled with 600 mol of n2 g abd 1500 mol of h2 at eq at 400 c the flask contains 050 mol of nh3 what
a 190 n object floats with three-fourths of its volume beneath thesurface of the water what is the buoyant force on the
nbspa block of mass 035 kg oscillates in shm on a spring with an amplitude of 096 m the maximum acceleration of the
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
for a first ordwr reaction theconcentration of the reactant was reduced from 0150 m to 0120 m after heating at 500 c
a plane leaves stjohns and heads due west for deer lakeat a velocity of 450kmh the same day there is wind blowingto the