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as per to the following reaction explain how many moles of oxygen gas are necessary to form 0158 moles sulfur
a distant galaxy emits light that has a wavelength of 5007 nm on earth the wavelength of this light is measured to be
a skier starts from rest at the top of a friction less incline of height 200 m at the bottom of the incline the skier
explain when a solution containing 14g of bano32 and 24g of nh2so3h is boiled a precipitate forms the precipitate may
a 900 sports car collides into the rear end of a 2500 suv stopped at a red light the bumpers lock the brakes are
a compound containing selenium also fluorine is decomposed in the laboratory and produces 2231 g of selenium also 3221
copper ii fluoride contains 3742 f by mass use this percentage to compute the mass of fluorine in grams contained in
wheel starting from rest rotates with a fix rotational acceleration of 250 rads2 during a certain 200 s interval it
the rotational speed of an auto mobile engine is increased at a constant rate from 1400 revmin to 3100 revmin in 16 sa
compute the number of grams of sodium in 50 g of each of the subsequent sodium-containing food additivesnacl table
a person enters a tall tower needing to know its height he notes that a long pendulum extends from the ceiling almost
explain burning in pure oxygen the hydrocarbon gas butane c4h10 produces carbon dioxide and water if 030 moles of
an 850 tall cylinder floats in water with its axis perpendicular to the surface the length of the cylinder above
assume bromine trifluoride can be ready by the direct combination of the elementsbr2 g 3f2 g 2brf3 gexplain what
at one point in a pipe line the waters speed is300 and the gauge pressure is 400times104 what is the gauge pressure
metallic tungsten is gain by displacement of tungsten from tungsten vi oxide by hydrogen at high temperatures explain
a hoop is rolling with-out slipping along a horizontal surface at 11 ms when it starts up a ramp that creates an angle
explain which of the following clusters of orbitals would form the shape either through the formation of a single
suppose if 1000 g of powdered infant formula contains 166 g of cacl2 explain how many calcium ions are in a solution of
calculate the fluid force in newtons on a square plate with aside of 2 m that is submerged at ahorizontal angle of
a string 400 cm long and fixed at both ends of a musicalinstrument oscillates in its n 1 mode the speed of waves onthe
suppose a sample of helium gas has a volume of 454l at 2303k and 1644 atm explain how many helium molecules does it
at a crime scene the forensic inestigator notes that 75-g leadbullet that was stopped in a door-frame apparently
define what value do you estimate for z eff experienced by the outermost electron in both na and k by assuming core
a loop on the left is a closed conducting loop while the right loop has a current flowingthrough it in a clockwise