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consider the combustion of h2 2h2 o2-gt2h2o if hydrogen is burning at the rate of 077mols what is the consumption of
a uniform drawbridge must be held at a 375 degree angle above the horizontal to allow ships to pass underneath the
as weve seen astronauts measure their mass by measuring the period of oscillation when sitting in a chair connected to
the rate of this reaction is first order in each reactant the rate constant for the disappearance of h2s at 28c is 35 x
misako is about to do a push-up her center of gravity lies directly above a point p on the floor which is 086m from her
light hits the surface of water at an incident angle of 36deg with respect to the normal line what is the angle between
a spring is resting vertically on a table a small box is dropped onto the top of the spring and compresses it suppose
im confused on how a water molecule point group c2v would look if it was rotated c2 about each of the x y and z axes
two lenses that are l 40 cm apart are used to form an image as shown in figure lens 1 is converging and has a focal
a lighter-than-air spherical balloon and its load of passengers and ballast are floating stationary above the earth
the reaction 2no2 -gt 2no o2 has the rate constant k 065 m-1s-1 if the initial of no2 is 730 x 10-2 m how would you
a concave lens has a focal length of -28 cm find the image distance and magnification that results when an object is
an aluminum block slides along a horizontal surface the block has an initial speed of 100 ms and an initial temperature
bones and muscles a patient in therapy has a forearm that weighs 205n and lifts a 1120n the only other significant
benzene is a starting material in the synthesis of nylon fibers and polystyrene styrofoam its specific heat capacity is
find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to six times the
nickel has a face-centered cubic unit cell the density of nickel is 684 gcm3 calculate a value for the atomic radius of
a person of mass 800kg stands at the center of a rotating merry-go-round platform of radius 250m and moment of inertia
what pressure would have to be applied to steam at 365degc to condense the steam to liquid water h vap 407
an instructor wants to use a lens to project a real image of a light bulb onto a screen 220 m from the bulb in order to
aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by
the external magnetic field in a loop decreases from 01 tesla to zero in 2 seconds the loop of wire has ten turns a
suppose that each vehicle is initially moving at 860 ms and that they undergo a perfectly inelastic head-on collision
the golden gate bridge in san francisco has a main span of length 128 km one of the longest in the world imagine that a