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what is the literature melting points for borneol and isoborneol what would be expected for the melting point range of
a sound wave from a siren has an intensity of 925 wm2 at a certain point and a second sound wave from a nearby
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a plank 200 cm thick and 167 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the
why would it be difficult to observe a positive ceric nitrate teston an old bottle of a diet cola drink diet cola if it
an escalator joins one floor with another one 820 m above the escalator is 133 m long and moves along its length at 620
a solution is prepared by dissolving 600 g of an unknown nonelectrolyte in enough water to make 100 l of solution the
a large disk with a radius of 20 cm has a string attached to its edge which is hanging over a table with a 200 g mass
a student reacts 40 grams of nickel ii chloride hexahidrate with 40 grams of ethylenediamine nh2ch2ch2nh2 calculate the
a 30cm string of linear density 70 gm is stretched to a tension of 35n and fixed at both endsawhat is the wave speed
use the standard reduction potentials below to determine which element or ion is the best reducing agentpd2aq 2e- --gt
a block of mass 20kg rests on top of another block of mass 50kg the lower block is attached to a spring of stiffness
describe procedures for preparing each of the following compounds using ethanol as the source for all of their carbon
a 20kg hollow plastic sphere with a diameter of 130cm is used as a float to support an iron block in the water a wire
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what volume of radon will be produced per hour at stp from 1075 g of 226ra t12 1599 yr 1 yr 8766 h mass of one 226ra
a rock that contains 30 10-15 mol of 232th t12 14 multiplied by 1010 yr has 77 104 fission tracks each track
if 640 multiplied by 10-9 mol of 176w emits 107 multiplied by 1015 positrons in 100 h what is the decay
a 100g on object is suspended from a spring when 40 g are added the soring stretches an additional 50 cm with the total
gout is caused by an error in nucleic acid metabolism that leads to a buildup of uric acid in body fluids which is
a lump of clay of mass 030 kg is thrown straight at a brick wall with a speed of 22 ms the time taken from when the
ultrasonic waves with a frequency of 25mhz are used to monitor the heartbeat of a fetus assume that the speed of sound
at what temperature in c does benzene boil when the external pressure is 470
a show the maximum height to which water can be raised in a syringe or similar device is 103mb calculate the maximum
what will the ph be if 0910 g of naoh 4000 gmol is added to 50000 ml of a 0500 m acetic acidacetate buffer with an