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Determine the pH during the titration of 29.3 mL of 0.278 M hydroiodic acid by 0.274 M sodium hydroxide at the following points:
(1) Before the addition of any sodium hydroxide _______
(2) After the addition of 14.9 mL of sodium hydroxide _______
(3) At the equivalence point _________
(4) After adding 36.2 mL of sodium hydroxide _________
When one mole of hydrogen decomposes into H atom the change in enthalpy is 435. 88 kJ/mole. What is the formation enthalpy, ?Hf for hydrogen atom
The active site of an enzyme can perturb the pKas of amino acid side chains such that they are raised or lowered from what we would expect given the pKa values of the free amino acids.
Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
The partial pressure of O2 in the exhaust is 10.38 mmHg and the partial pressure of CO2 in the exhaust is 88.03 mmHg. What is the mole fraction of propane in the fuel stream
Describe the health and sfety concerns of using H2S and thioacetamide as the S2- donor. which is used most frequently and why is its use preferential?
The phase behaviors of Mo-W mixtures and Mo-Si mixtures are markedly different. Give a detailed explanation for why this is.
How does electron configuration work. If I have [Ar]3d^5 as an example how do know what it actually equals
Utilize the following two points to find out the value of the specific rate constant for the disappearance of A do not enter the units at the temperature of the experiment.
An aqueous magnesium chloride solution is made by dissolving 6.10 moles of MgCl2 in sufficient water so that the final volume of the solution is 4.60L. Calculate the molarity of the MgCl2 solution
How many kilograms of CaCl need to be added to 25L of ice slush to lower the melting point by 5 degrees C? Please show work. kfp=1.86
if you dilute 750.00 ml of a 4.117 times 10-4 m solution into a 2.00 l volumetric flask and fill to the line with water
The Ksp of magnesium carbonate, MgCO3, is 6.82 × 10-6. Calculate the solubility of this compound in g/L.
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