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the monoterpenoid rose oxide systematic name tetrahydro-4-methyl-2-2-methylpropenyl-2h-pyran or iupac name
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in making computer chips a 400 kg cylindrical ingot of ultrapure n-type doped silicon that is 520 inches in diameter is
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a river contains 105 mgl of dissolved silica the measured ph 65 and the water temperature is 25 degrees celcius
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the ratio of the number of atoms of the isotopes ga-69 and ga-71 in eight samples from different sources was measured
in arizona if you are caught driving with an alcohol ethanol blood level of 015 wv weight per volume - consult your lab
what are the major species present in 0250 m solutions of each of the following acids calculate the ph of each of these
why is the number of microseconds in a week not considered an exact number arent there 106 microseconds in a second
tris is widely used in a biochemical laboratory its acid dissociation constant is 832x10-9 you have available at your
calculate the volume of an object that has a density of 0817 gml and a mass of 127 grams answer to 3 significant
calculate the work done in joules by the reaction 2 na 2 h2ogtgtgt 2naoh h2 when 023g of na reacts with excess water
a 100000 gal tank is 75 full of liquid containing 60000 lb of solid in suspension water flows into the tank at a rate
the following four numbers are estimates of the mass of an object 520 g 566 g 610 g and 535 g what is the standard
a cyclohexane has a freezing point of 650 degrees c and a kf of 200 degree cm what is the freezing point of a solution
a piston performs 450 latm of irreversible work on the surrounding while the cylinder in which it is placed expands
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100 w electric heater operates for 10 minutes to hear the gas in a cylinder at the same time the gas expands from 200l
give the formula of a product derived from the first-named substance that may be formed in the following reactions note
one mole of an ideal monoatomic gas initially at 300 k is expanded from an initial pressure of 10 atm to a final
you want to heat 1 l of water by 10 ordmc and you have the following four methods under considerationa you can heat it
a new compund has been analyzed and a 47191g sample has been found to contain 1929g c 01079 of h 08566g of oxygen and