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The Keq of a biochemical reaction is 19.0. Calculate the standard free energy change associated with this reaction. (R=1.987, T=298, Lnx=2.303 log10X).
Is the reaction (i) exergonic or endergonic? (ii) spontaneous or nonspontaneous? Breifly explain
If the enthalpy change associated with the reaction is -1000 cals/mol calculate the entropy change.
What reagent could be used to reduce both the nitro and ketone functional groups in a single reaction?
What are the strategic importance of Neodymium uses such as magnets, coloring of glass, and infrared radiation filtering. What three reasons for the US being currently dependent upon foreign producers such as China
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when Ecell is 1.017 V and [Mn2+] = 0.589 M. Use reduction potential values of Mn2+ = -1.18 V and for Pb2+ = -0.13 V.
but did not exactly add 4.0 mL. Instead he added 4.50mL. What was the final concentration of her standardized solution in ppm?
a 54.7-g sample of aluminum at 95.0 oc is dropped into 35.0 g of water at 40.0 oc. what is the final temperature of the
How many mL of a 45.0%(m/v) solution of NaCl would you need in order to have 12.0g of NaCl? Molar mass of NaCl is 58.54g/molhow many mL of a 45.0%(m/v) solution of NaCl would you need in order to have 12.0g of NaCl
Picric acid has been used in the leather industry and din etching copper. However, its laboratory use has been restricted bycause it dehydrates on standing and can become shock sensitive. It has an acid dissociation constant of .42. What is the [H..
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000 Pa ) to about 60,000 kPa (60,000,000 Pa).
what major obstacles personal professional or acdemic will you need to overcome in order to be sucessful in school.
when a sample of kcn of 6.00-grams is dissolved in h2o water in a calorimeter that has a total heat capacity of 2.156
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
Identify the compounds present in the mixture and determine the percent by mass of each in the original sample. 1 Identity and % (wt/wt)= 2 Identity and % (wt/wt)=
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