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Problem- Which amino acids have a third group that can undergo acid/base chemistry? Arrange these from most to least acidic side chain, using the three carbon abbreviations for their names.
Please no duplicate from a web page, I have by at present tried searching for an answer.
which pair of compound form a hemiacetal.
Compute the energy change in a system in which 44.95 kJ of heat is given off at 1.925atm pressure and the volume changes from 1.0265 L to 0.5549 L.
A gas at 1 atm and 125degC is expanded from a volume of 150mL to a volume of 4L. The pressure of the gas after expansion is 500 torr. What is the temperature of the expanded gas
What mass of heptane, C7H16, is required to produce 90.2 kJ of heat at constant pressure from its combustion in excess oxygen?C7H16(l) + 11O2(g) → 7CO2(g) + 8H2O(l)
A sample of oxygen gas is collected over water at 23ºC at a barometric pressure of 751 mmHg (the vapor pressure of water at 23C = 21mmHg). What is the partial pressure of oxygen gas in the sample
Antibonding MOs always have at least one node. Can a bonding MO have a node. If so draw an example.
A solution containing 0.2 g/mL of a pure R enantiomer in a 1 dm polarimeter rotates plane polarized light by +3?. What is the specific rotation of the R isomer. What will be the specific rotation of its S isomer.
Hydrogen peroxide H2O2 decomposes according to the equation: H2O2(liquid) = H2O (liquid) + 1/2O2 (g) From the following data, calculate the value of delta G for this reaction at 25 degrees C for a mol of hydrogen peroxide.
the most common source of copper rm cu is the mineral chalcopyrite rm cufes2. how many kilograms of chalcopyrite must
we are given an environmental engineer takes an air sample that hasbeen polluted with sulfur dioxide. the sample size
a chemical reaction produces 0.884mol of H2S gas. what volume will that gas occupy at STP?
Much commercial hydrochloric acid is prepared by the reaction of concentrated sulfuric acid with sodium chloride: H2SO4 + 2NaCl → Na2SO4 + 2HCl
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