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the magnetic field 450 cm away from a long straight wire carrying current 800 a is 200 microta at one instant the two
a sound wave travels twice as far in neon ne as it does it krypton kr in the same time interval both neon and krypton
the ksp for silver sulfate ag2so4 is 12 x 10-5 calculate the solubility of silver sulfate in each of the following a
a 45- kg block oscillates with an amplitude of 0070 m on a light spring of constant k 290 nm what is the maximum value
a sealed container with a metal bottom contains m0020kg of ice at ti243k and is brought into thermal contact with n040
the standard state of carbon is solid graphite use the appropriate standard heats of formation given in appendix ii in
a 150- resistor is connected in series with a 0250-h inductor the voltage across the resistor is vr 570 vcos445 radsta
the delta h sub f of febr3 is -269 kjmol and the delta h for the reaction 2fe s 3br2 g----gt 2br3 s is -631 kjmol
what two ways could you use to determine which layer is the organic layer and which is aqueous
a copper-constantan thermocouple generates a voltage of 455 10-3 volts when the temperature of the hot junction is
describe how you would seperate a mixture containing acid and benzophenone a neutral substance both compounds are
a chamber with a fixed volume of 10 m3 contains a monatomic gas at 300 102 k the chamber is heated to a temperature of
explain how the electronic properties of an attached group can affect the rate of electrophilic aromatic substitution
three moles of an ideal monatomic gas expands at a constant pressure of 200atm the volume of the gas changes from
a calorimeter contains 170 of water at 125 degrees celsius when 210 of a substance with a molar mass of 800 gmol is
oxygen o2 has a molar mass of 320gmola what is the root-mean-square speed of an oxygen molecule at a temperature of
the molar heat capacity of silver is 2535 how much energy would it take to raise the temperature of 102 of silver by
partciles mass of each 2kg are placed at the 80 cm and 100 cm marks of a meter stick the mass of the meter stick is 3kg
2118 g of copper pellets are removed from a 286degc oven and immediately dropped into 1985 ml of water at 13degc in an
what is the ph of a buffer that results when 33g nahco3 is mixed with 100ml of 250 m naoh and diluted with water to
one mole of neon gas is heated from 364 kto 410k at constant pressurea calculate the energy q transferredto the gasjb
it takes 530 to raise the temperature of an 102 piece of unknown metal from 130 to 240 what is the specific heat for
a heavy piece of hanging sculpture is suspended by a 90 cm-long 50g steel wire when the wind blows hard the wire hums
which statement about the hybridized oxygen molecule in watersp3 hybridized oxygen is not correct the electrons remain