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How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.4 L of 0.13 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.76?
Draw the trinucleotide formed when a DNA polymerase catalyzes the addition of dCTP do the dinucleotide pppGA.
What is the osmotic pressure, in atm, of a solution formed by dissolving 17.8 g of PbCl4 in 0.250 L of water at 64.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
Calculate the quantity of energy produced per gram of reactant for the fusion of two H - 2 (atomic mass = 2.014102 amu) atoms to form He-3 (atomic mass = 3.016029 amu) and one neutron.
A quantity of Oxygen (g is originally at 4.75 atm and 26 degree Celsius in a 5.00 Litre container is transferred into the same container determine the total pressure in the new container?
A dryer removes 20,000 lb/hr of water from paper. Air at 70 deg F and 50% Relative Humidity enters and leaves the dryer at 140 deg F at 80% Relative Humidity. The barometric pressure is 14.3 psi. Calculate the total air flow to this dryer (ft^3/mi..
How many grams of sodium azide are needed to fill a 30*30*25cm bag to a pressure of 1.30atm at 21.0C?2NaN3=3Na+2N2
if salt is used on icy roads in the winter to lower the freezing point of water to assist inmelting in theory what
A Solution is prepared by dissolving 27g urea in 150g water. Calculate the boiling point of the solution. Urea is a nonelectrolyte
exactly 10.0 ml of an unknown sample of ni2 gave a current of 2.36 ?a. after 0.500 ml solution of 0.0287 m ni2 was
Complete the following reactions drawing structural formulas. Write the name of the compounds under them. a. cycloheptene + CH3COOOH -? syn or anti addition
Research information about the human olfactory system and olfactory receptors. Explain how humans sense odor and clearly identify how different molecular structures influence the odors we can detect. Properly cite your reference source(s) for this..
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