Chemistry, 08.10.2019 20:20 oscaryn7213
For the amino acid alanine, the major species in solution at ph 7 is the zwitterionic form, which has a negatively charged carboxylic acid group and a positively charged amino group. there is a less common neutral form in which neither group is charged. the carboxylic acid group of alanine has a pka of 3. the amino group of alanine has a pka of 8. estimate the ratio of the concentration of the neutral amino acid species to the zwitterionic species at ph 7.
Answers: 1
Chemistry, 22.06.2019 03:30
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 23.06.2019 03:00
In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 1
For the amino acid alanine, the major species in solution at ph 7 is the zwitterionic form, which ha...
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