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a soap bubble with index of refraction 133 is floating in air if the thickness of the bubble wall is 114 nm what is the
what characteristic absorption bands would you expect to find the infared spectrum of
a wire of thickness d 5 mm is tightly wound 200 times around a cylindrical core to form a solenoid a current i 01 a
400 ml if 0100m t-bucl are mixed with 400ml of 00100 m naoh and 200 ml of distilled watera calculate the initial
it is desired to project an image of an object four times actual size with a lens of focal length 20 cm what object
after doing ka calculations you may wish you had an aspirin aspirin is a weak acid with ka327 x 10-4 for the reaction
calculate the equilibrium concentrations of h3o acetate ion and acetic acid in a 20-m aqueous solution of acetic acid
the nernst equation is used to predict the impact of concentration on the cell potential what value of slope does the
a space traveler weighs 631 n on earth what will the traveler weigh on another planet whose radius is 2 times that of
determine the percentage concentration by volume if a 600 ml bottle of vinegar contains 300 ml of acetic
what is the ph of a 13 10-7 m solution of benzoic acid at 25c pka of benzoic acid is 419 at 25c might have to take
to hoist himself into a tree a 720-kg man ties one end of a nylon rope around his waist and throws the other end over a
a thin film of oil with index of refraction 136 is located on a smooth wet pavement when viewed perpendicular to the
a buffer containing 042 m base b and 028 m of its conjugate acid bhhas a ph of 886 what is the ph after 00020mol of hcl
in the drawing the weight of the block on the table is 422 n and that of the hanging block is 185 n ignoring all
a helicopter flies over the arctic ice pack at a constant altitude towing an airborne 193-kg laser sensor which
use a maxwell relation to derive the relation deltasdeltavt nrv from da -sdt - pdv and
two metal rods one silver and the other gold are attached to each other the free end of the silver rod is connected to
for the reaction 2ab3c the value of kc102 at 25 degrees c a 1l vessel contained a mixture of 050 mol of a 120 mol b and
a prism has a vertex angle of 60deg and an index of refraction of 152 what is the minimum angle of incidence measured
in an lc circuit with an inductance of 40 mh and capacitance of 12 mf the maximum charge on the capacitor is 45 mc
a plot of in k vs 1t for a reaction gave a line with slope -3250 kelvin determine the energy of activation for the
you look through a polaroid sheet at a 60 w light bulb 300 m awaya find the intensity of the light you seeb next you
the intensity of solar radiation near the earth is 14 times 103 wm2 what force is exerted by solar radiation impinging