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the compounds br2 and icl have the ame number of electrons yet br2 melts at -72 c and icl melts at 272 c
a photon of wavelength 014795 nm traveling due east is scattered by an electron initially at rest the wavelength of the
a two stage rocket with a total mass of 925kg is traveling at a speed of 66 103 ms away from the earth a predesigned
how many ecoli cells can fit in the volume occupied by a single eukaryoti cell of a round shape with the diameter 50 um
the length of a simple pendulum is 070 m and the mass of the particle the bob at the end of the cable is 024 kg the
in the overhead view of the figure a long uniform rod of mass m 029 kg is free to rotate in a horizontal plane about a
an object is dropped from rest from a height of 374e6 m above the surface of the earth if there is no air resistance
1 draw 3 different lewis structures for a compound with the molecular formula c6h14o then draw both the condensed
a 76 kg jumper lands stiff-legged on the floor and changes his velocity from -8 ms to zero in 03 seconds compute the
draw at least 3 different lewis structures for a compound with the molecular formula c4h6nof at least one structure
in a certain toy telescope front lens the objective lens has a focal length of 75 mm and the objective lens has a focal
if n is 25mm the focal length of a certain microscopes eyepiece is 125 mm and the magnification of its objective lens
the escape velocity of a bullet from the surface of planet y is 15990 ms calculate the escape velocity from the surface
when the stopper is removed from a partly filled bottle containing solid and liquid acetic acid at 167degrees c a
when light of wavelength 378 nm falls on a potassium surface electrons are emitted that have a maximum kinetic energy
a ladder of length l 25 m and mass m 150 kg rests on a floor with coefficient of static friction s 057 assume the
consider an element z that has two naturally occurring isotopes with the folowing percent abundances the isotope with a
what type of lenses do i use to build a simple two lens opera glass which lens is closest to the stage in such
an ideal gas in sealed container has an inital volume of 230 l at constant pressure it is cooled to 1500 c where its
the absorption for an internal alkyne will be more intense than the absorption for a terminal
a block with mass m 200 kg is placed against a spring on a frictionless incline with angle 34deg the block is not
a student prepared a stock solution of the assigned compound by weighing 2345 grams of cuno32 6h20 and diluting it with
a string with a length of 05 meters is vibrating with a frequency of 100 hz and it forms a standing wave at the
sulfur trioxide dissolves in water producing h2so4 how much sulfuric acid can be produced from 100 ml of water d100gml