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a detailed mechanism for the formation of ethyl acetate from ethanol as well as acetic acid with h2so4 as
an electron that has a horizontal initial speed of 450 x 106 ms enters a region that has an electric field of 120vm
explain a flask is charged with 0983atm of n2o4 g and 0752atm no2 g at 25 deg c the equilibrium reaction is n2o4 g
a charge q 40 microc is moved 025 meter horizontally from the origin to point q in a region where an electric field is
explain triose phosphate isomerase catalyzes the conversion of dihydroxyacetone -p to glyceraldehyde-3-p the standard
car c of mass 0300 plusmn 0001 kilogram has a speed of 212plusmn 003 ms and moves in the positive x direction car d of
the voltage in typical household wiring is 120 volt a 100 watt light bulb therefore draws a current of 083 amp when
complete as well as balance the following redox equation utilizing the smallest integers possible acidic solutioni- aq
bangles and juggles are clowns juggles stands on one end of a teeter-totter at rest on the ground bangles jumps off a
define a solution contains ag and pb2 ions the addition of 1550 ml of 150 m nacl is just sufficient to precipitate all
two stars in a binary system orbit around their center of mass the centers of the two stars are 718x1011 meter apart
utilize ionization energy and electron affinity values to compute the energy change in kjmol for the subsequent
a helicopter rises vertically carrying a load of concrete to make the foundation for a ski lift a 35 kilogram bag of
the volume of a sample of gas measured 15 degrees celsius and 1atm is 20l explain what must the final temperature be in
a 520 kilogram person jumps from rest off a140 meter high tower straight down into the water ignore air resistance
in the synthesis of salicylic acid from methyl salicylate we added sulfuric acid to a solution that was ph 2 explain
the olympic flame at the 1992 barcelona olympics was lit by a flaming arrow shot from a point 60 meter horizontally and
a construction worker is standing in a 26 meter deep hole 31 meter from the side of the hole he tosses a hammer to a
225ml of a gas are collected over water at 22 c and 790torr explain the mass of the gas is 0425 g as well as the vapor
a particle moves along the x-axis its position is given by the equation x 7 3t2 - 8t3 with x in meters and t in
tc99m source has an initial count rate of 100000 bq decayssec and it has a 6 hour half life explain what is the total
the depth of the water behind the hoover dam in nevada is 220 meter find the water pressure at the base of the dam
a 78 gram solid sample of carbon dioxide is placed in a 40 liter container at 27 degrees c the container already
a plumb bob does not hang exactly along a line directed to the center of the earths rotation find how much does the
if the temperature of the hydrochloric acid solution before mixing was 223oc as well as the temperature of the sodium