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what structual difference allows the sepeartion of eugenol from acetyl eugenol lab-extraction of eugenolso far i know
the rms speed of the molecules of a gas is 200 ms at a temperature 300 k what is the rms speed of the molecules at 500
two concentric conducting spheres of radii a 5 cm and b 10 cm have a potential difference v 100 v between them what
a solid insulating sphere of radius a 5 cm is fixed at the origin of a co-ordinate system as shown the sphere is
photochemistry is when light causes a chemical reaction to occur a simple example is when light breaks a cl2 molecule
let the fourmula for the hydrous copper sulphate be cuso4xh20 where x represents the number of water molecules if the
387g of nh4cl was dissolved in 100 ml of distilled water and then titrated with 05m of naoh at equivalence the volume
what spectral features including mass spectrum proton spectron carbon spectrum and ir spectrum allow to distinguish
a long straight wire carries a 400 a current in the x direction at a particular instant an electron moving at 10 times
which is more deshielding to surrounding protons a carbon double bonded to oxygen a carbonyl group or a benzyl
if the purity of compounhe z is 87 and the reed value for its molar extinction coefficient is 9200m-1 cm-1 at 605nm
when a voltaic cell is constructed from a ag aq 10 moll-1ag s half-cell and a standard hydrogen electode the cell emf
when aqueous solutions of pbno32 and na2so4 are mixed a precipitate of pbso4 is formed calculate the mass of pbso4
the distance between the endpoints is 279m and exactly 8 cycles are completed in 220 seconds when this motion is viewed
using the sandmeye reaction as one step outline the steps necessary to prepare 4-iodotoluene and 4-fluorotoluene from
a lightning bolt transfers 60 coulombs of charge from a cloud to the ground in 20 10-3 second what is the average
calculate the average value of the cosine of the angle between the electric field direction and the molecular
two steel wires of the same length one with radius r and the other with radius 2r are connected together end to end and
the circuit shown in the drawing is constructed with six identical resistors and an ideal battery when the resistor r4
a turntable has a radius of 035 m a rotational inertia of 0020 kg m2 and is free to rotate without friction a 050 kg
a 92-kg mans thighbone has a relaxed length of 052 m a cross-sectional area of 69 10-4 m2 and a youngs modulus of 10
to correct myopia is it necessary to move the image formed by the eye closer to or farther from the eyes lens system
three resistors 29 47 and 77 are connected in series and a 049-a current passes through thema what is the equivalent
a batter hits a fly ball which leaves the bat 088m above the ground at an angle of 62 with an initial speed of 29ms
suppose a tank contains 680 m3 of neon ne at an absolute pressure of 101 x 105 pa the temperature is changed from 2932