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200 mol of a monaromic gas at atmospheric pressure has a total internal energy of 748x103j what is the volume occupied
the mass of the moon is 734 x 1022 kg and its average radius is 1785 kma between january 1998 and december 1998 the
a cannon fires a cannon ball with an inital speed of 67 ms at an angle of 35 degrees above the horizontal what is the
a vertical straight wire carrying and upward 24-a current exerts an attractive force per unit length of 88 x 10-4 nm on
a 240 bucket containing 115 of water is hanging from a vertical ideal spring of force constant 115 and oscillating up
a source of electromagnetic waves radiates power uniformly in all directions at a single frequency at a distance of 400
three electric charges qaqqb-q and qc-2q are located at the points axay0bx-ay0 and cx0y2a respectively what is the
suppose that charges on a dipole antenna oscillate slowly at a rate of 1 cycles and the antenna radiates
a source of electromagnetic waves radiates power uniformly in all directions at a single frequency at a distance of 650
the speed of hockey pick decreases from 4500 to 4467 ms in coasting 16 m across the ice find the coefficient of kinetic
explain how the formation of a soap lsquomicelle helps remove dirt and oil in an aqueous
an object of mass 300 kg moving with an initial velocity of 500i ms collides with and sticks to an object of mass 200
part iii redox and thermodynamics 1 sketch galvanic cells based on the following overall reactions show the direction
object of masses mass1 4000 kg and mass29000 kg are connected by a light string that passes over a frictionless pulley
a car with an initial speed of 107 ms accelerates at a uniform rate of 092 ms squared for 36 s find the final speed and
of these three separate and individual elements f ra and as arsenic is more likely to form polar bonds why and how do
horizontally polarized light passes through two ideal linear polarizers with transmission directions making angles of
elimination competes with substitution write an equation for the elimination reaction of 2 chloro 2 methylpropane in
assume that a proton has a mass of 334 times 10-27kg and a charge of e it travels in a circular path with a radius
what is the equilibrium constant expression for the following reaction c5h5nhaq h2ol c5h5nh2aq
at a steel mill a 50 kg chunk of iron at 22 celsius is heated to its melting point completely melted and the heated
formic acid hcooh is secreted by ants calculate h3o for a 740e-3 m aqueous solution of formic acid ka
the rate of substitution of alkyl chlorides and alkyl bromides can be increased by adding a catalytic amount of sodium
consider the following chemical equation aloh3s h2so4l al2so43aq h2ol if 330 g of aluminum hydroxide reacts with 150
a 11 kg bucket of water is raised from a well by a rope if the upward acceleration of the bucket is 22 ms2 find the