How do enzymes lower the activation energy of a reaction? select one:

a. they provide heat to the reaction

b. they facilitate the reaction to occur

c. they provide additional hydrogen ions?

Jane performed the following trials in an experiment. Trial 1: Heat 80.0 grams of water at 15.0 °C to a final temperature of 65.0 °C. Trial 2: Heat 80.0 grams of water at 10.0 °C to a final temperature of 65.0 °C.

Метан А бензол Б анилин

Which four statements about amino acids are true? a. Phe can undergo oxidation to form Tyr. b. The Leu side chain does not form hydrogen bonds with other amino acids. c. The form of glycine used by the human body is D‑glycine. d.

If the density of an ideal gas at stp if found to be 0.0902 g/l, what is its molar mass?

What is the chemical name for the compound If5

If a dinosaur once lived in mexico, and i now live in arkansas, can i be drinking the same water the dinosaur did?

Dough to which potassium bromate has been added rises better, producing a lighter, larger volume loaf.

Each enzyme has an optimal temperature and pH that it works best in. If enzyme ABC works best at pH 7, but ABC is in a cell with a pH of 9, will it catalyze more or less reactions?

What is the molarity of a solution that contains 5.0 moles of solute in 2.0 liters of solution?

Area immediately surrounding a hazardous material incident which extends far enough to protect personnel outside the zone from contamination.