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a block is given an initial velocity of 70 ms up a frictionless 24 degree inclinea what is the blocks acceleration as
consider the following equalibrium 4nh3g 3o2g lt--gt 2n2g 6h2og suppose 030 mol of nh3 and 040 mol of oxygen are
for the equalibrium pcl5g lt--gt pcl3g cl2g kc 20 x 101 at240 celcius if pure pcl5 is placed in a 100-l container and
ethyl alcohol flows through a horizontal tube of diameter 300 cm that is joined to a second horizontal tube of diameter
a charging rc circuit controls the intermittent windshield wipers in a car the emf is 120 v the wipers are triggered
on a vacation flight you look out the window of the jet and wonder about the forces exerted on the window suppose the
at 800 k kc for the following equalibrium is 42 x 10 -3 2hgos lt--gt 2hgl o2g suppose 965 g of mercuryll oxide is
water flows at the rate of 302 kgs through a hose with a diameter of 308 cm what is the speed of water in this hoseif
in her bathroom mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned
in an experiment 030 mol h2 and 030 mol i2 are mixed into a 100-l container and the reaction forms hi if kc 49 for
two air-track gliders of equal mass are initially moving in the same direction along a straight line the rearmost
a 40 kg block rests at the edge of a disk with a mass of 50 kg and a radius of 30 cma a 2 n force is applied to the
cs2g 3cl2glt--gtccl4g s2cl2g at a given tempature the reaction above is at equalibrium when cs2 0050 m cl2 025 m
an astronaut is stuck in space with no fuel for his thrusters he is 250 m away from his ship and only has a heavy
a snowball rolls down a 200 m long hill at an angle of 30o above the horizon after leaving the hill it rolls toward a
an engine delivers 400 j of work while it takes in energy from a 400 k thermal source if the engine discharges energy
what is theb kp equalibrium constant expression for the following equalibrium s8 s 24f2glt--gt 8sf6g
a sample of ammonia gas was allowed to come to equalibrium at 400k 2nh3g lt--gt n2g 3h2g at equalibrium it was found
if 100 mol of oxygen is heated at constant pressure of 100 atm from 100degc to 250degc how much heat is absorbed by the
a toy steam engine has a mass of 100 kg the toy starts from rest and reaches a velocity of 400 ms in a time of 300
nitrogen triflouride decomposes to form nitrogen and flourine gases according to the following equation 2nf3 g lt--gt
a horizontal plank 400 m long and having mass 200 kg rests on two pivots one at the left end and a second 100 m from
a kilogram of water c 4186 kjkg degc is stirred using a 400 watt device for 5 minutes at the end of this time the
a converging lens of focal length 770 cm is placed 520 cm behind a diverging lens parallel light enters the diverging
the following reaction is investigated assume an ideal gas mixture2n2og n2h4g lt--gt 3n2g 2h2og initially there are