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at t o degrees celsius and p 1000mb 1g of dry air receives during an isochoric process an amount of heat it is then
a sample of dry air has a temperature of 300 k a volume of 3 liters and a pressure of 4 atmospheres the air then
100 kg of water is raised to a height of 50mthe water is used to produce electricitythe electricity produced can run
one mole of a gas expands from a volume of 5 liters and a temperature of 273 k to a volume of 12 liters and a
the density of gasoline is 730 kgm3 at 0degc its average coefficient of volume expansion is 960 x 10ndash4 degc-1
an automobile tire is inflated with air originally at 200degc and normal atmospheric pressure during the process the
a container in the shape of a cube 200 cm on each edge contains air with equivalent molar mass 289 gmol at atmospheric
two cylindrical glass beads each of mass m 32 mg are set on their flat ends on a horizontal insulating surface
two bodies having masses m130g and m240g are attached to the ends of a string of negligible mass and suspended from a
the speed v of sound waves in air depends on the atmospheric pressure p and density r of the air by using the method of
one mole of a monatomic gas at 400 k is reversibly taken to half of its original volume by an isobaric process how much
a paddle wheel frictionally adds thermal energy to an ideal monatomic gas in a sealed insulated container the paddle
four charges are arranged on the corners of a square as shown a fifth charge is located in the middle of the square
500 kg of liquid water is heated to 1000 degc in a closed system at this temperature the density of liquid water is 958
if you had two bars of iron ndash one magnetized and one un-magnetized ndash and no other material at hand how could
use the uncertainty principle to estimate the size of an h atom and the energy of the ground statethen assuming some
in class were talking about a scanning tunnelling microscopyin the example a sharp metallic tip is held just above a
frames k and k are inertial frames frame k is moving at a velocity of magnitude v realtive to frame k in the direction
consider a particle in the ground state of the harmonic oscillatora obtain the wavefunction in momentum spaceb
an object in equilibrimhas three forces exerted on it a 33n force acts at 90 degrees and a 44n force acts at 60 degrees
suppose the skin temperature of a naked person is 35 c when the person is standing inside a room whose temperature is
four point charges q are fixed to the four corners of a square that is 112 cm on a side an electron is suspended above
two charged objects experience a mutual repulsive force of 071 n if the charge of one of the objects is reduced by half
liquid water at 25c and 1 bar fills a rigid vessel if heat is added to the water until its temperature reaches 50c what