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what is the value of kc for the following reaction at equilibrium co2g h2gltgtcog h20g if co020m h20030m co2030m and
an ancient bone contains 475 as much 14c6 as a piece of living matter with an equal carbon content how old is the
an ideal gas expands at a constant total pressure of 30 atm from 410ml to 790ml heat then flows out of the gas at
sketch the full schematic for the voltic cell corresponding to the redox reaction shown belowfes cu2aq----gtcusfe2aq
a geiger counter reading of a radioactive sample is initially 6920 counts per minute the same sample gives a reading of
concentrated sulfuric acid is roughly an 18 molar solution to prepare 500 mls of a 3 m solution mls of sulfuric acid
we constructed galvanic cells with the following solutions with a their respective metals used as cathodes kno3 was
if the current through a loop radius 50 cm is 2a what is the magnetic field produced by the loop
a rigid rod of mass 350 kg and length of 150 m rotates in a vertical xy plane about a frictionless pivot through its
use the data below from an electron impact mass spectrum of a pure compound to deduce its structure draw your structure
a ship on the surface of the ocean receives a sonar echo back from an underwater object the echo path from the object
a uniform rod of length 0880 m and mass 115 kg is balanced on a sharp edge at 0580 m from the left end at the left end
a horizontal mass-spring system is in shm the mass is 025kg the spring constant is 12nm and the amplitude is 15cma what
proper procedure for the preparation and standardization of 300 ml of 1 m naoh solution against potassium hydrogen
to start a great night of doing physics homework you sit down to pour yourself a good cup of coffee your coffee mug
a rectangular antenna has a height of 3m and a width of 6 meters it operates at a frequency of 5 ghzwhat are the two
write the molecular formula for a compound with the possible elements c h n amp o that exhibits a molecular ion at m
a circular radar operates at a frequency of 8 ghz and has a diameter of 08 mwhat is the angle at the half-power
you have a parallel-plate ideal capacitor with a capacitance of 23mf that you connect to a 4v battery until it is fully
an 800 gram sample of a gas was heated from 25 c to 225 c during this process 346 j of work was done by the system and
waves travel 5000 ms along a wire that is 2m long what is the wave length of the first harmonicwhat is the frequency of
concrete has a specific heat capacity of 670 jouleskg-0 c a 2 kg concrete block that has a temp of 20 degrees celsius
a 125 meter long wire has a mass of 150 grams the wire is stretched with a force of 2 newtons what is the velocity of a
describe how you would prepare a 500 ml of a solution which is 0500 m sodium and 160 m phosphate if you only had sodium
a gasoline engine fuel burns at a temp of 500 degrees celsius its radiator cools to 70 degrees celsius what is the