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it is estimated that uranium is relatively common in the earths crust occurring in amounts of 4gmetric ton a metric ton
1 ocurrence and use of aldehyde ketone carboxylic acid acid derivatives ester and amide2 ocurrence and uses of alkane
1 the detection limit for ba2 is 50ppm using aas compute the smallest concentration of ba2 in m which can be detected
explain the empirical formula of a compound is ch at 200 degrees celsius 0145 g of this compound occupies 972ml at a
i1 896 kjmole i2 1752 kjmole i3 14807 kjmole and i4 17948 kjmole explain to which family in the periodic table does
explain when light hits the agcl particles the subsequent reaction occurs agcl hv -gt ag cl the silver metal that is
explain how do you calculate the photon wavelength in nm corresponding to the electron affinity for
if a cell is set up with copper and lead electrodes in contact with cuso4 aq 10 m and pbno32 aq 10 m respectively at 25
explain the rate law for the solvolysis of benzyl bromide in 50 ethanol50 water at room temperature 24c is given by
compute the cell potential and determine g for a cell that uses the following reaction cl2 g 2i- aq gt 2cl- aq i2
phosphate systems form necessary buffers in organisms compute the ph of a buffer made by dissolving 8mol of naoh in 5l
hydrogen h2 g 100l at 380mmhg reacts at 150 c in a 110 l container with oxygen o2 g 10l at 3atm to give h2o gexplain
in the commercial preparation of aluminum aluminum oxide al2o3 is electrolyzed at 1000 degrees celsius mineral cryolite
explain ammonium hydroxide contains 161 molkg of ammonia compute the vapor pressure of ammonia over this solution at
the calcium affinity of an element can be find out using a laser light to ionize the anion of the element in the gas
explain three organic compounds an acid base and a neutral benzoic acid p-nitroaniline and antharacene all three of
explain how many grams of agno3 1699 gmol must be added to 2500ml of a saturated solution of ag2so4 to reduce the
if a student is given an antacid tablet that weighed 56832g and the tablet were crushed and 43628 g of the antacid was
explain how much heat in kilojoules is required to warm 100 of ice primarily at -150 to steam at 125 define the heat
explain if this energy were used to vaporize water at 100 define how many grams of water could be vaporized the heat of
with the help of the sawhorse representations and newman projections illustrate the stereochemistry of the products
compute the volume to which the airbag inflates due to the decomposition of 13g of sodium acid at 50oc and a pressure
depict the skeletal structure of the monohalogenated alkenes formed when trans-1-chloro-4-iodocyclohexane is reacted
suppose a mixture of 40 moles of o2 and 20 moles of h2 is placed in a sealed evacuated container made of a perfect