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given ionization energy of f2- is 290 kj calculate the bond energy of f2- not given but needed bond energy of f2 and
a capacitor with its plates separated by paper stores 46 nc of charge when it is connected to a particular battery an
in the procedure for bromination of e-stilbene which involves in situ generation of bromine what is the solid that
a hypodermic syringe contains a medicine with the density of water see figure below the barrel of the syringe has a
a car is going around a corner with a radius of 68 m at one instant its speed is 19 ms and its speed is increasing at a
an alloy containing al is analyzed all the solution reacts with 212ml of 0493m hcl in the 2500g sample of alloy
a 300 kg box is moving to the right with speed 100ms on a horizontal frictionless surface at t 0 a horizontal force is
a weightlifter bench-presses a 1300 kg barbell from his chest to a height equal the length of his arms 0850 m how much
what is the chemical equation of an oxalate ion reacting with a permanganate ion and what is the mole
a considering the mechanism of the wittig reaction speculate what the driving force for the decomposition of the
an open-tube mercury manometer is used to measure the pressure in an oxygen tanka when the atmospheric pressure
the 563- kg weight that drives the time mechanism of a grandfather clock descends 25 cm in exactly 24 hours what power
a 43- kg box of books is pulled up a 476- m-long inclined plank to a height of 14 m a force of 256 n parallel to the
a 750 kg football player leaps straight up into the air with no horizontal velocity to catch a pass he catches the 0430
use the worked example above to help you solve this problem a cylinder contains215mol of helium gas at190degc assume
a woman with mass 495 kg is standing on the rim of a large disk that is rotating at 0490 revs about an axis
a calculate the angular momentum of a solid uniform sphere with a radius of 0150 m and a mass of 160 kg if it is
what will be the final temperature of the water in an insulated container as the result of passing 500g of steam h2og
the average density of the planet venus is 5219 kgm3 the acceleration of gravity on its surface is 884 ms2 calculate
two cubes make from the same material the radiant energy per second emitted by the small cube 1l is 0675js what is the
you have a container of pure o2 and n2 at 298k and 1atm pressure calculate delta g mixing if 12 mol of pure n2 are
a 10 m na2so4 solution is to be electrolyzed in a u tube contianing carbon electrodes before electrolysis begins
a solid uniform marble and a block of ice each with the same mass start from rest at the same height above the bottom
explain why in contrast to meso-stilbene dibromide the dibromide dl-stilbene dibromide exists in two enantiomeric
two hockey players are traveling at velocities of v1 11 ms and v2 -20 ms when they undergo a head-on collision after