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an electric field of 950 105 vm is desired between two parallel plates each of area 445 cm2 and separated by 245 mm of
an underwater scuba diver sees the sun at an apparent angle of 26 from the vertical the refraction index for water is
in the following experiment a coffee-cup calorimeter containing 100 of is used the initial temperature of the
the figure below shows a closed gaussian surface in the shape of a cube of edge length 230 m it lies in a region where
the index of refraction of crown glass for violet light is 1528 while for red light it is 1514what is the speed of
the first ionization energy of magnesium is 738 kjmol the second ionization energy of magnesium is 1451 kjmol and the
the coil in a 60-hz ac generator has 125 turns each having an area of 30 times 10-2 m2 and is rotated in a uniform
what volume of 0200m hcl must be added to 2500ml of 0300m sodium mandelate to produce a buffer solution with a ph of
find the ph of the equivalence point and the volume ml of 00746 m koh needed to reach the equivalence point in the
a 64 microc charge is placed at the origin and a -33 microc charge is placed at x 25 cm at what coordinates can a
a 12 g bullet travelling at 420 ms is fired into the middle of an unlatched 320 kg door the door is hinged on one end
a 3500 ml solution of 02500 m hf is titrated with a standardized 01978 m solution of naoh at 25 ca what is the ph of
a convex mirror with a focal length of 025 m forms a 0081 m tall image of an automobile at a distance of 023 m behind
what is the formula of precipitate if 6m naoh is added slowly to a solution containing chromium
a uniform 110 g rod with length 70 cm rotates in a horizontal plane about a fixed vertical frictionless pin through its
chlorine gas cl2 is bubbled into an absorption column containing hot sodium hydroxide naoh solution in order to produce
a car travels along a certain road at an average speed of 4651 kmh and returns along the same road at an average speed
write the structure for the pyrrolidine enamine and for the imine of cyclohexane write a balanced equation for the
regarding the human sex chromosomes which statement is correct a x and y are different in size but carry nearly equal
null hypothesis for autosomal dominant autosomal recessive sex-linked dominant and sex-linked recessive of the
find the ph and volume ml of 0367 m hno3 neded to reach the equivalence points in titrations ofa 265 l of 00750 m
two railroad freight cars with masses 130 mg and 170 mg approach with equal speeds of 0330 ms they collide the lighter
a candle 430 cm tall is 391 cm to the left of a plane mirrora where is the image formed by the mirror enter the
if a temperature increase from 220 degrees celsius to 330 degrees celsius triples the rate constant for a reaction what
completely neutralizes stomach acid hcl 10m how much carbon dioxide is made at stp 37 c 767 torr 100 humidity by