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a super hero leaps with speed 12 ms at a 47 degree angle above the horizontal from the top of a building if he lands 40
a solution is made that is 1510-3 m in znno32 and 0130 m in nh3 after the solution reaches equilibrium what
a heart dysfunction that can cause death is ventricular fibrillation this is an uncoordinated quivering of the heart as
calculate the ph of a solution containing 0085m nitrous acid ka 45 x 10-4 and 0100m
a jet pack is turned on for 10 seconds and performs 1500 joules of work to move an astronaut in space who was initially
if the ka for the acid phenol call it hp is 13 x 10-10 what is the pka of the phenolate ion
niacin is one of the b vitamins and it acts in solution as a weak acid call it hn if a 200 x 10-2 m of hn is prepared
a solution of nh4cl is prepared and its molarity is 100 x 10-3 what is the ph of this
a 600uc charge is placed at the origin and a second charge is placed on the x-axis at x0300m if the resulting force on
a 001m solution of acid has has a ka16 x 10-10 and a concentration of naas of 129 x 10-3 molar a what is the ph of this
charges of 40 mc and - 60mc are placed at two corners of an equilateral triangle with sides of 010 m at the third
light in air enters a diamond n 242 at an angle of incidence of 48 degrees what is the angle of refraction inside the
will b-myrcene and allo-ocimene structures not form diels-alder adducts with maleic anhydride explain why in each
the real image of an object is located 450cm away from a concave mirror which has a focal length of 100cm how far is
consider the acid hb with a ka58 x 10-10 a what is the kb for the b- ion and b what is the
find the threshold energy that an incident neutron must have when striking an alpha particle to produce a deuterium and
the side rection most often encountered in diels-alder syntheses is dimerization in which the diene also acts as a
a thin film of mgf2 n 138 coats a piece of glass constructive interference is observed for the reflection of light with
a thin lens has a focal length of 1000 cm for red light if the index of refraction for the lens material tends to
a sheet of an unknown material that is 1223 -003 micrometers thick is suspended in air in reflected light there are
a rectangular loop area015m2 turns in a uniform magnetic field with b020t at an instant when the angle between the
how many moles of nabro should be added to 1 l of 0200 m hypobromous hbro acid to obtain a buffer of ph 880 assume no
a straight object of length 19 cm lies along the central axis of a spherical mirror with focal length 72 cm the end
the solubility of alf3 is 67 g alf3 per liter of solution the density of a saturated alf3 solution is 10 gml the ksp of
a 500-turn circular coil with an area of 0050 m2 is mounted on a rotating frame which turns at a rate of 200 rads in