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What is added to the 3' end of eukaryotic mRNA during RNA processing, and what is its function?
unknown molecular (nonelectrolyte) compound in 102.0 g of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.
Constant temperature Calculate the work done (in joules) if thae gas expands against a constant pressure of 4.1 atm . Enter your answer in scientific notation
After i titrated the weak acid with the strong base i plotted my point and found the equivalence point to be V=7.82 mL and a ph of 8. SO moles of acid is = to moles of base at equivalence point so moles was determined to be 0.0004012 moles and the..
Calculate the density of hydrogen sulfide gas, H2S, at 60.°C and 953 mmHg. Obtain the density in grams per liter.
The reaction X(s) ? X(g) is known at 25oC to have standard enthalpy, free energy, and entropy changes of 146.8 kJ, kJ, and 175.4 J/K. At what temperature (oC) does X(s) sublime?
Some anesthetic drugs relieve pain by interfering with various parts of the action potential (discussed in class). Give a brief description of how the two drugs below may work as pain-blockers.
The experiment all you observed rate law is rate =k [NO]^2 [Br2]. Show this mechanism is valid by deriving the rate law expression and showing that it is equal to the experimentally observed rate law
The air is breathed underwater at 100 feet where the total pressure is 4.1 atm. What is the partial pressure (atm) of oxygen under these conditions? Calculate the relative rate of diffusion of CO2 compared to SO2.
An investment company whose stock trades based on supply and demand in the market rather than at net assets value
When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B
In respiratory acidosis, as the CO2 concentration decreases in the bloodstream, the concentration of H3O+ decreases, and as a result, the pH decreases below the normal range.
why does hydrochloric acid and acetic acid have the same equivalence, while hydrochloric acid and sulfuric acid
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