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Why is it less efficient for DNA ligase to reseal blunt ends than it is to reseal sticky ends?
Calculate the mole fraction of ethylene glycol in the solution.
compute the equilibrium constant keq for the reaction of equimolar amounts of acetophenone c6h5coch3 and hydroxide ion
It takes 50.0J to raise the temperature of an 12.0g piece of unknown metal from 13.0 C to 24.0 C. What is the specific heat for the metal?
Question- The predominant isotope of gold, 197/79Au, has an experimentally determined exact mass of 196.967 amu. What is the total nuclear binding energy of gold in electronvolts per atom
What is the pH of a solution created by mixing 219 mL of a 1.64M NaHSO3 solution with 163 mL of a 1.81 M Na2S)3 solution
Calculate the amount of 10.00% acetic acid you will need to add to 100.0 mL of your milk in order to bring the final acidity to 1.00% acetic acid.
A student heated a 25.0g piece of a metal to a temp of 100.0C and placed it in 100.0g of water, initially at a temperature of 10.0C. Determine the final temperature of the system(aluminum and water)
What is the purpose of Sodium phosphate dibasic when used to make ethanol via fermentation?
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
Problem- At room temperature, the surface tension of water is 72.0 mJ m-2. What is the energy required to change a spherical drop of water with a diameter of 2.00 mm to four smaller spherical drops of equal size
In column chromatography portion of the Friedel-Crafts acylation of ferrocene, why is ferrocene yellow, acetylferrocene orange-red, and diacetylferrocene dark. What accounts for the color differences.
The half-life of carbon-14 is 5730 years. Therefore, 5730 years after being cut from a tree, a piece of wood will have 50.0 % of the carbon-14 that it had originally. What percentage of the original carbon-14 will remain in the wood after another 5..
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