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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
explain in words why hydroboration leads to anti-markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in
the hybradization state of the fe among fecn63-feco5 and feh2o62 is ans
during a flame test why is calciums flame not persistent while that of strontium isans because it does not have many ions as compared to the
the color in kmno4 arises from an electronic transition but it is actually not a d-d when the light is reflected or transmitted it is missing the
glucose and fructose are epimers so they are differ in their second carbon position and remaining is same so when they react with phenylhydrazeen
amines are soluble in organic solvents whereas ammonium salts are not is it true ansyes because amine is contain r-nh2 group where r is carbon
originally chewing gum was made from the latex sap of the sapodilla tree native to central america this sap was known as chicle other natural gum
till 20elememts write the no of electrons in outermost shellif less than 4 then this is the valency otherwise subtract from
in industries 653k is very low temperature so co is the best reducing
mesomeric forms are the possible locations of electrons at a single instant if you get what i mean like an adjacent double and single bond in a
what is happen whenever h2so4hno3 adding to the phenolgive the reactionans phenol hno3in prescence of sulphuric acid --gt 2-nitrophenol
aluminium metal is frequently used as a reducing agent for the extraction of metals such as chromium manganese etc explain whyans the free energy