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a horizontally write the molecular orbital configuration for o2 2- o2 and o2 - then state the bond order for eachb
a 30 capacitor initially charged to 20 is discharged through a 19 resistor how long does it take to reduce the
a certain lightbulb has a tungsten filament with a resistance of 177 when at 200degc and 135 when hot assume the
the concentration of co2 in a soft drink bottled with a partial pressure of co2 of 65 atm over the liquid at 29degc is
write a balanced chemical reaction for the reduction of dissolved copper ion by zn s to copper
a circular wire loop of radius is 160 cm carries a current of 280 a it is placed so that the normal to its plane makes
a log of mass 40 kg is dropped into river at 0degc if the relative density of the log is 08 what will be the volume of
question 1 the atmospheric oxidation of nitrogen monoxide 2 nog o2g reversible reaction arrow 2 no2g was studied at
the figure shows a rectangular 50-turn coil of wire of dimensions 9 cm by 5 cm it carries a current of 0090 a and is
use the following balanced chemical equation to answer the following questions3 bacl2 2 na3po4 ba3po42 6 nacla how
a draw or describe the free body diagram for the vehicle showing all forces calculate these forces and list them with
a block of mass 20kg is dropped into water what force should be applied to pull it to the surface if its volume is
write the equation for the dissociation of benzoic acid in water if the ka of benzoic acid is 65x10-5 what is the
the diameters of the main rotor and tail rotor of a single-engine helicopter are 144 m and 21 m respectively the
a study of the water-gas shift reaction given below was made in which equilibrium was reached with co h2o h2 010 m
explain how to determine the total resistance of a parallel and a series circuit how does total resistance affect the
suppose you wish to fabricate a uniform wire from 130 g of copper the wire is to have a resistance of r 0420 and all
starting with 2 different samples of propyne show how you can make 2-methyl-pent-3-yn-2-ol condensed formula
a baseball mass 014 kg radius 37 cm is spinning with an angular velocity of 56 rads what is its rotational kinetic
the fist-order reaction so2cl2---so2cl2 is 10 complete in 80 min how long would it take for the reaction to be 95
strontium sulfate is also an insoluble sulfate knowing barium sulfate is insoluble why is it not surprising that
what is the speed of an electron with a de broglie wavelength of 0140nm what is the speed of a proton with a de broglie
show with the aid of a form of the nernst equation that when using a ph sensitive glass electrode and reference
a large grinding wheel in the shape of a solid cylinder of radius 0330 m is free to rotate on a frictionless vertical
how many stereoisomers are possible for each of the following structures draw them and name each by the r-s and e-z