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A) in a .1M solution of glycine at pH 9.0, what fraction of glycine has its amino group in the -NH3= form?
B) How much 5M KOH must be added to 1.0L of.1M glycine at pH 9.0 to bring its pH to exactly 10.0?
C) When 99% of the glycine is in its -NH3+ form, what is the numerical relation between the pH of the solution and the pKa of the amino group?
Determine the new volume of a 1.3 L balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at the temperature of -11.5 degree celsius.?
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Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the ^14C has decayed to 1/32.0 of the original amount. How long ago was this plant alive
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How many independent linear combinations are possible for four 1s orbitals? (b) Draw pictures of the linear combinations of H1s orbitals for a hypothetical linear H4 molecule
A 0.0490 molal aqueous NaBr solution freezes at -0.173°C. What is its apparent percent dissociation in this solution? Kf = 1.86°C/m for water. NaBr -> Na+ + Br-
Given the following unbalanced chemical equation: Al + Cl2-> AlCl3 (a) Balance the equation. (b) How many moles of AlCl3 are produced from 2.75 mole of Cl2 (c) What is the molar mass of AlCl3 (d) Calculate the number of grams of AlCl3 produced from..
Compute the free energy change needed for transport of sufficient protons to make gastric juice of 1 litter at the temperature of 37 degree celsius hence expect above reaction will happen spontaneously?
Draw the structure for the following and report what conformation will be favored over the other cis-1,2-dimethylcyclohexane trans
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suppose a similar experiment had been done using 1.0 m h3po4 solution as the acid. what would be the expected
How many mols of nitric acid would be in 1375 ml of the acid solution at a pH of 3.75. What would be the [H+] and [OH-] of a solution at pH=10.50
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