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a 03000 g sample of carboxylic acid is burned in oxygen producing 05349 g of co2 and 02202 g of h20 find out the
several types of organic spectroscopy use electromagnetic radiation several types of which are listed below which kind
compute the work that must be done against the atmosphere for the expansion of the gaseous products in the combustion
derived from ion charges and relative ion sizes rank these ionic compounds by their expected melting points rank from
calcium oxide reacts with water in a combination reaction to produce calcium hydroxide define a 450-g sample of calcium
by reference to recent literature explain the discovery of any new decay modes not mentioned in radiochemistry as well
explain how delayed-neutron emission could be utilized for on-line measurement of the uranium content or
serum in use from a patient being treated with lithium for manic-depressive illness was analyzed for lithium
explain many people think salt nacl is added to water to raise the boiling point so pasta will cook faster explain how
bicine is a compound containing a tertiary amino group where relevant pka is 83 given one l of 005 m bicine with its
an enzyme-catalyzed reaction was initiated in 10ml of 005 m hepes buffer ph 755 throughout the course of the reaction
at a resting pulse rate of 75 beats per minute the human heart typically pumps about 65 ml of blood per beat blood has
while calcium carbonate is added to hydrochloric acid calcium chloride carbon dioxide and water are
the tbe is usually made as a 5x solution explain what volumes of 5x tbe and water are required to make 500mls of a 05x
diatomic molecule has 60 covalent character explain what does this tell us about the atoms that make up the
draw all steps in a synthesis that would transform 2-propanol into a 2 4-dimethyl-3-pentanol b 1-chloro-3-methyl
suppose if a mineral has a density of 357gcm3 and it adopts a cubic unit cell with an edge length of 809 pm explain how
chlorine has two stable isotopes cl-35 34968853 as well as cl-37 36965903 if the isotopic abundance of cl-35 is 7577
boron has two stable isotopes 10b mass 10012938 and 11b mass 11009305 if the atomic weight of boron is 10811 explain
4-methylphenol ch3c6h4oh pka 1026 is only slightly soluble in water however its sodium salt ch3c6h4o-na is quite
caffeine is widely soluble in ethanol utilized ethanol instead of dichloromethane to extract the caffeine from tea why
a tetraaquasalicylatoiron iii complex calibration solution is prepared by transferring 050ml of a 000900 m salicylate
compute the change in heat when 1260g of water vapor steam at 1000c condenses to liquid water and then cools to 2250c
explain which of the highlighted elements in the figure below fro noxious oxide that is removed from the automobile
chlorophenols impart unpleasant taste as well as odor to drinking water at concentration as low as 5 mg-m3-1 they are