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why are the substances like platinum and palladium often used for carrying out electrolysis of aqueous solutions ans substance like platinum and
a the generating function gz for a sequence gn is given bygz 1 - 2z1 3z3give an explicit formula for gnb for the sequence gn in the previous part
gold has a molar mass of 197gmol how many atoms are in the sampleplease give me procedure also ansmolecular wieght of gold is 197 g1moleg of molecule
excitation of modes in fibera multimode fiber is used to couple light into a single mode fiber both fibers have the same total diameter
magnesium is the lightest of the structural metals while this low density is an attractive property magnesium also has a high corrosion rate that
the given amines are ch3nh2 ch32nhnh3nh2br amp the amines list is from strongest base to weakest ch32nhamp
calculate the free energy change of following reaction at298 kelvin h2i22hi if the enthalpy change is 518816kj and the entropy change is 16615j is
although cholrine is electoon withdrawing groupyet it is ortho nd para directing in electrophilic aromatic substitution reactantswhyans halogens are
stuck on a chemistry assignment i need a way to include the elctron configuration and chemical properties of copper into a oral that is also a sales
in the anaerobic fermentation of grain the yeast saccharomyces cerevisiae digests glucose from plants to form the products ethanol and propenoic acid
a water solution contains 64 na2s2o2 together with 10 soluble impurity upon cooling to 5degc na2s2o2middot5h2o crystallizes out the solubility of
consider a process for the partial oxidation of benzene to produce maleic anhydride c4h4o4 using air there are two reactions to be concerned with the
a tank containing 100 kg of a 60 brine 60 salt is filled with a 10 salt solution at the rate of 10 kgmin and 78degf solution is removed from the tank
ammonia is a gas for which reliable analytical methods are available to determine concentration in other gases to measure flow in a 15 inch
natural gas is flowing through a 10 inch schedule 40 pipe the gas is at 109degf and 73 psig the outside air temperature is 92degf if
a gas contains 350 ppm of h2s in co2 at 72degf and 153 atm pressure if the gas is liquified what is the weight fraction h2syou are asked to make
suppose you are required to make an analysis of 317 lb of combustion gas and find it has the following compositionco2 60co 10n2
given the following mass percent compositions determine the empirical formula 495 c 52 h 288 n 165
1 the feed to an ammonia synthesis reactor is 25 lbmole nitrogen with the balance hydrogen the flow rate is 3000 kgh at 65degc and 95 bar
1 acetylation of key proteins is known to correlate with the gene expression in eukaryotes what class of chromatin proteins is modified what is the
this problem set is a little different in that it is one large projectproblem to answer it you must write a short single-spaced typed report of 4-5
what is virus what is classidication uses disease of viruses what are types of virus
explain in words why hydroboration leads to anti-markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in
how may six digit numbers can be made in which the sum of the digits is evenans
how may six digit numbers can be made in which the sum of the digits is