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1 what reactions do iodide and bromide undergo when excess chlorine water is added during the test for iodide and
two archers shoot arrows in the same direction from the same place with the same initial speeds but at different angles
provide the mechanism showing all steps and curved arrows for the dehydration of 4-methylcyclohexanol in the presence
the walls of an ice chest are made of 200 cm thick styrofoam with a thermal conductivity 00300 wmk the total surface
write two equations to show the reaction of 4-methylcyclohexene with abr2ch2cl2
in combustion studies of h2 as an alternative fuel you find evidence that the hydroxyl radical ho is formed in flames
a heat engine operating at maximum efficiency has an efficiency of 25 the temperature of the cold reservoir is 300 k
a weather balloon contains 120 m3 of hydrogen gas when it is released from a location at which the temperature is
a solid concrete wall 40 m by 24 m and 30 cm thick with a thermal conductivity of 13 wmk separates a basement at 18degc
the electric potential at a position located a distance of 183 mm from a positive point charge of 850times10-9c and 133
solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate
enough ammonia is dissolved in 50 l of water at 25 degrees celsius to produce a solution that is 00124 m in ammonia the
a 5ml portion was taken a from a 100ml solution containing a dissolved vitamin tablet this 5ml solution was diluted to
suppose an oxygen molecule traveling at a velocity of 480ms bounces back and forth between opposite sides of a cubical
a car starts from rest at a stop sign it accelerates at 40 ms2 for 9 seconds coasts for 6 s and then slows down at a
write a molecular equation for the reaction sodium bromide and sulfuric acid states of reactants and products must be
each plate of a parallel-plate air-filled capacitor has an area of 00020 m2 and the separation of the plates is an
a curve in a highway has radius of curvature 110 m and is banked at 34deg on a day when the road is icy what is the
benzoic acid c6h5cooh is sometimes used to for the standardization of solutions of bases a 1722 g sample of benzoic
a solution is made by taking 5462 g of k2cro4 in enough water to make 2500 ml of solution the molarity of the solution
on her way to visit grandmother red riding hood sat down to rest and placed her 17-kg basket of goodies beside her a
a generator connected to an rlc circuit has an rms voltage of 120v and an rms current of 34ma if the resistance in the
we did a lab where we added vanillin acetic acid potassium bromate and hydrobromic acid together the product we got was
an object of mass of 20 kg hangs from an ideal massless spring with a spring constant of 50 nm an oscillating force f
the absorption of light of frequency 116x1011 hz is required for co molecules to go from the lowest rotational energy