Chemistry, 03.01.2020 01:31, kpruitt6359
What assumption is being made if scientists conclude that aspartic acid was formed by the prebiological synthesis in the passage?
a. aspartic acid is unstable at temperatures below 150°c.
b. all of the malic acid underwent the dehydration reaction to form fumaric/maleic acid.
c. compound a and cyanide were available on primitive earth.
d. the reaction between ammonia and fumaric acid was catalyzed by the presence of water.
Answers: 3
Chemistry, 22.06.2019 17:00, calmicaela12s
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 22.06.2019 18:50, christhegreat1
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
What assumption is being made if scientists conclude that aspartic acid was formed by the prebiologi...
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