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three solutions are mixed together to form a single solution one contains 02 mol pbch3coo2 the second contain 01mol
the fact that boiling point of a pure solvent is lower than the boiling point of a solution of the same solvent is a
150 grams of an unknown sugar was dissolved in water and the final volume of the solution was brought up to 100 l the
a jet flying faster than the speed of sound creates a shock cone of high pressure air the angle of the shock cone
phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas at elevated temperatures by the
fat man the atomic bomb dropped on nagasaki at the end of world war ii released approximately 88 x 1012 j of explosive
what mass in grams of methanol ch3oh would need to be added to 250 grams of water to make an ideal solution with a
the coil wand pendulum starts swinging with an angle of 30 degrees with the vertical after it passes through the
which of the following ideal aqueous solutions would be predicted to have the highest osmotic pressurea 150 m na2sb 200
what is the difference between an ion-dipole force and dipole-dipole force i have no idea what a dipole
a person sees a distant lightning strike then 45 seconds later he hears the thunder clap if it is 35 degrees celsius
25ml of unknown amount of cl- is treated with 40ml of 3650m agno3 precipitate agcl kip 180x10-10 is filtered off and
a whale sends an undersea signal to its mate and then gets a response 45 seconds later how far away is the whales
a person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 34 m they
1000ml aliquots of an unknown containing element x was mixed with aliquots of a standard solution of element x for
a transverse traveling wave on a cord is represented by d 025 sin 68x 28t where d and x are in meters and t is in
calculate the cell potential for the following half cell if it is connected to a standard calomel electrode not a she
the reactance of a capacitor is 119 kohm at a frequency of 24 khz what is the capacitance in nano-farads express the
2500ml of an acetic acid solution requires 2386ml of a 01550m potassium hydroxide solution to reach the endpoint what
show the long hand and short hand electron configuration and orbital diagram for elements with these atomic numbersa 8b
let a coil wand pendulum start swinging with an angle of 30 degrees with the vertical after it passes through the
a silver electrode of the first kind was used to measure the ag ion concentration in solution when the ag is 144 x 10-3
if the induced voltage is 05 v as b field is decreasing at a rate of 05 ts in a loop calculate the area of the
in an estimation of caffeine from tea using hplc the following results were obtained a series of calibration standards
if b magnetic field is decreasing into the plane and a circular coil is on the plane what is the direction of induced