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a 12 g bullet is stopped in a block of wood mw 56 kg the speed of the bulletplus-wood combination immediately after
liquid sodium is being considered as an engine coolant how many grams of liquid sodim minimum are needed to absorb 470
two point charges 318 microc and -665 microc are separated by 113 m what is the electric potential midway between
propose a synthetic method to carry out the transformation shown using any additional organic or inorganic reagents5
ilya and anya each can run at a speed of 870 rmmph and walk at a speed of 360 rmmph they set off together on a route of
a solution of agno3 is mixed with nacl to form a solution that is 010 m in agno3 and 0075 m in nacl what will happen
if you have 2600 ml of water at 25 c and add 1100 ml of water at 950 c what is the final temperature of the mixture use
discuss the phase changes that occur in the liquid solid and liquid vapor boundary describe how the locations of phase
one end of a brass bar is maintained at 300degc while the other end is kept at a constant but lower temperature the
which of the following solutions is a good buffer system a a solution that is 010 m hf and 010 m nac2h3o2 b a solution
a complex of correctly written formula ptnh33brbrmiddoth2o has which set of ligands in its inner coordination sphere a
a ball swings in a vertical circle at the end of a rope 150 m long when the ball is 369deg past the lowest point on its
give the major product of the following reaction 1-butene with br2 in low concentration i have tried
how will you use the known compounds that are out in the lab to help you find the identity of your unknown
formic acid hcooh is secreted by ants calculate h3o for a 740e-3 m aqueous solution of formic acid ka
two point charges 0660 m apart experience a repulsive force of 0376 n the sum of the two charges equals 10910-5 c find
a small piece of dust of mass m 13 mu or micro g travels horizontally through an electric air cleaner in which the
at a particular temperature the equilibrium constant for the reaction h2g f2g 2hfg is k 360 a reaction mixture in a
oxalic acid h2c2o4 has acid dissociation constants ka159x10-2 and ka264x10-5 what is the ph after 2000 ml of 00500 m
assume that you have carried out a radical chlorination reaction on r-2- chloropentane and have isolated in low yield
what is the band gap energy in kilojoules per mole if bule diamonds absorb orange light with a wavelength of
the rms speed of 10 mol of argon atoms atomic weight 40 gmol in a box is 680 ms treat the gas as ideala what is the
world energy supplies are often measured in the unit of quadrillion british thermal units 1012 btu generally called a
the equilibrium constant for the reaction of fluorine gas with bromine gas at 300 k is 547 and the reaction is br2g
in order to decrease the fundamental frequency of a guitar string by 40 by what percentage should you reduce the