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explain how many molecules of h2s are required to form 790 g of sulfur according to the subsequent reaction presume
if a soldier shoots an enemy with the intent of killing him he wants the bullet to deliver maximum energy on the other
during each cycle a reversible engine absorbs 1550 joule of heat from a high temperature reservoir and performs 1200
1 if a ball is attached to a string and is spun in a vertical circular motion of constant velocity at which point in
explain what the theoretical yield of aluminum oxide is if 280 mol of aluminum metal is exposed to 240 mol of
a for a satellite to be in a circular orbit 810 kilometer above the surface of the earth determine what orbital speed
which of the subsequent atoms with the specified electronic configurations would have the lowest first ionization
a brick is originally 772 cm high and an aluminum can is initially 773 cm high by how much should their temperatures be
an lc circuit constructed of a 1 mf capacitor and a 1 micro inductor is set in oscillation so that the charge on the
1 allocate each element an oxidation number2 find out which reactant is being oxidized and which is being reduced3 find
a particle of mass 4m is placed 091 meter from a particle of mass ma determine where should you put a third mass m so
if 1000 g copper wire were reacted with 1000 ml of concentrated nitric acid 16 m define which is the limiting reactant
a tire is filled with air at 14oc to a gauge pressure of 220 kpa if the tire reaches a temperature of 36oc compute what
require to prepare 1000 ml of a ph400 buffer solution using 0100 m benzoic acid pka 420 and 0200 m sodium benzoate
a driver runs horizontally off the end of a driving tower 30 meter above the surface of the water with an initial speed
the windows in an office building are 40 m by 50 m on a stormy day air is blowing at 30ms past a window on the 53rd
a cylindrical fishing reel has a mass of 60 kilogram and a radius of 44 centimeter a friction clutch in the reel exerts
the combination of an applied force and a frictional force produces a constant torque of 41 nm on a wheel rotating
a capacitor is constructed of two concentric conducting cylindrical shells the radius of the inner cylindrical shell
a 939 gram lead ball is dropped from rest from a height of 472 meter the collision between the ground and the ball and
a cylindrical rod 220 centimeter long with a mass of 120 kilogram and a radius of 150 centimeter has a ball of diameter
suppose heat a 1000m3 room from 20c to 30c by using a heat pump presume the heat is achieved completely by the air at a
ag is added to a solution of 00018 m cl- and 00018 m scn- define the agscn precipitates first ksp 10 times 10-12
a block of wood weighs 500 newton in air a sinker is attached to the block and the weight of the wood-sinker
you are standing in front of a lens that projects an image of you onto a wall 300 meter on the other side of the lens