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A G:C base-pair has one more hydrogen bond than an A:T base-pair.• Suppose that one hydrogen bond contributes [ -0.616 ln(5) ]kcal/mole in standard free energy stabilization to a base-pair.• Use the fact that RT = 0.616 when using natural logarithmsto the base e at 37ºC.• Consider separately the two reactions A + T yields A:T andG + C yields G:C at 37ºC.
How many times larger will the equilibrium constant be for the G +C yields G:C reaction over the A + T yields A:T reaction.
A certain laser uses a gas mixture made up of 9.00 g HCL, 2.00g H2, and 165.0g Ne. What pressure is exerted by the mixture in a 75.0 L tank at 22 degree C?
An unknown liquid sample is analyzed using paper chromatography using solvent X as the mobile phase. One spot is observed after the plate is developed and visualized.
At 298, 1 atm, the heat produced by the reaction of 4.00mol of NO with molecular oxygen heats 1.07L liquid water from 298k to 348k. Calculate enthalpy for the reaction 2NO + O2 -> NO2, at 298k. Assume constant pressure and no heat lost.
What is the velocity of an electron having a de Broglie wavelength that is approximately the length of a chemical bond? Assume this length to be 1.2 X 10 ^ -10 m.
Mercury is an extremely toxic substance. Inhalation of the vapor is just as dangerous as swallowing the liquid. How many milliliters of mercury will saturate a room that is 15x12x8.0 ft with mercury vapor at 25C
For the acid-base titration combination of NaOH with 1.5 mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl. Answer in units of mol.
h2g n2g --gt 2nh3gwhat volume of ammonia can be produced from 2.0l of nitrogen gas and 3.0l of hydrogen gas? assume
Given a mean free path, comment on the appropriateness of using the ideal gas law to determine the number density of a sample at a critical point.
For restriction digestion, how would you dilute the 10X buffer so that it was at the correct concentration (1X) in the reaction solution
the coinage metals -- copper silver and gold -- crystallize in a cubic closest packed structure. use the density of
A sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed
Calculate the minimum weight of anhydrous MgSO4 needed to absorb a hypothetical volume of 0.074 mL of residual water from a wet caffeine/dichloromethane.
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