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when an enzyme is purified from a complex mixture of proteins what usually happens to the total amount of protein and
the activity of an enzyme is close to zero at ph 10 and above and high at ph 6 and below the activity of this protein
predict what you would expect to observe when each of the following substances is mixed with naiacetone would you
using the diagram of a lead storage battery write the half reactions reactions at anode and cathode and net redox
classify each of the following processes as spontaneous or nonspontaneous i h2ol --gt h2og t25 deg c vessel open to
using the dry cell or leclanche cell diagram please write the half reactions reactions at anode and cathode and net
1 explain how microorganisms can be used to produce electricity bacterial fuel cells 2 explain why you feel pain when
under standard-state conditions what spontaneous reaction will occur in aqueous solution among the ions ce4 ce3 fe3 fe2
for the reaction at constant temperature as q increases a g and g increase b g and g decrease c g increases but g
using the solubility product of agcl at 25c 16 x 10-10 calculate g for the process agcl lt------gt agaq cl-
a calculate g and kp for the following equibibrium reaction at 25c the gf values are 0 for cl2g -286 kjmol for pcl3g
ammonia and preheated air are mixed to form a gas containing 150 mol nh3 at 500degc if ammonia enters the mixing unit
a niii coordination compound with an octahedral arrangement of ligands has been synthesized containing only water and
an element x forms the oxalate complex x2c2o4 which is 791 c and 2107 o by mass what is the identity of the element
determine the theoretical yield of h2s in moles if 40 mol al2s3 and 40 mol h2o are reacted according to the following
urea nh22co can be formed from ammonia and carbon dioxide as shown in the following reaction hdeg value for this
when synthesizing aspirin in the labmixed 2g salicylic acid 5ml acetic anhydride 5 drops concentrated sulfuric acid
draw a resonance structure complete with all formal charges and lone unshared electron pairs that shows the resonance
calculating throretical yield and actual yield for a gringard reaction experimentreaction is1 bromobenzene mg in ether
calculate the height of a column of methanol that would be supported by atmospheric pressure the density of methane is
the activation energy for the diffusion of car- bon in chromium is 111000 jmol calculate the diffusion coefficient at
the sodium isotope2111 nawith a half-life of 23sundergoes decay by emitting a positronwrite the complete nuclear
activating effects using resonance contributors explain why the methoxy group is an activator and an orthopara director