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soap bubble n 140 having a wall thickness of 130 nm is floating in aira what is the wavelength of the visible light
how do you rank crystal lattice structures in order of decreasing efficiency of space in the
in a youngs double-slit experiment a set of parallel slits with a separation of 0102 mm is illuminated by light having
the ideal gas law relates the pressure p volume v absolute temperature t and amount of gas n the law is p nrtv where r
a solenoid of radius 16 cm has 351 turns and a length of 10 cmthe permeability of a free space is 125664 times 106 v
given 1000ml of a buffer that is 050 m in hocl and 040 m in naocl what is the ph after 100ml of 10 m naoh has been
150ml of 050 hcl is added to a 1000ml sample of 0200 m hno2 what is the equilibrium concentration of no2 ions ka for
a 50 turn square coil has an area 150 cm2 and is rotated with an angular speed of 800 rads in a uniform 040 t magnetic
at 10 degrees celcius the henrys law constant for chlorine in water is 013 matm what is the concentration of chloride
an electron of mass 911x10-31 kg has an initial speed of 300x105 ms it travels in a straight line and its speed
the secondary voltage of an ignition transformer in a furnace is 145 kv when the primary operates at an rms voltage of
a car travels at 510 miles per hour and gets 120 kilometers per liter of gasoline how many gallons of gasoline are
a 685 kg astronaut is doing a repair on the space station she throws a 225 kg tool away from her at 320 ms with what
our procedure for a catalytic hydrogenation of 4-cyclohexene-cis-12-dicarboxylic acid molwt17016gmol says to scale up
an alternating source drives a series rlc circuit with an emf amplitude of 607 v at a phase angle of 333deg when the
a resistor is made out of a long wire having a length each end of the wire is attached to a terminal of a battery
1 how do you do a problem like thiscalculate the catechol substrate concentration of a solution prepared by mixing 18
the vapor pressure of ccl3f at 300 k is 856 torr if 120g of ccl3f is enclosed in a 10 l container what mass of liquid
suppose a 500 l sample of oxygen at a given temperature and pressure contains 108 1023 molecules how many molecules
two identical boxcars m 15730 kg are traveling along the same track but in opposite directions both boxcars have a
the light shining on a diffraction grating has a wavelength of 490 nm in vacuum the grating produces a second-order
three and only three bright fringes can be seen on either side of the central maximum when a grating is illuminated
three identical resistors with resistances of 60w are connected to a batter with an emf of 180v and zero internal
give the structure of the major and minor organic products formed when hbr reactw with e-44-dimethyl-2-pentene in the
a patient is undergoing open-heart surgery a sustained current as small as 25mua can be fatal assume that the heart has