Which of the following is a chemical reaction?

A. Breaking a glass pane

B. Freezing water

C. Digestion of food

D. Cutting down a tree

E. Evaporation of rubbing alcohol

Certain chemicals will become more caustic if water is used to flush the eye. a. true b. false

Process A: A + B - -> C dG = 101.3 kJ/mol Process B: D - -> C + E dG = - 101.3 kJ/mol If you were tasked with the production of compound C for a pharmaceutical company, which process would you use for it's production based on the data provided and

How does the mass number of an element differ from its average atomic mass?

How could you determine the acceleration of marble?

Which of the following atoms is most able to attract electrons? Group of answer choices Co F H S

Which statement (s) is/are true of acid-catalyzed alcohol dehydrations? A) Protonation of the alcohol is a fast step. B) Formation of a carbocation from the protonated alcohol is a slow step.

Water is composed of hydrogen and oxygen, True Or False

Why must chromosomes be copied before cells divide

4) Terry's dog is racing down the lane in the part toward the east. The dog travels 36 meters in 18 seconds before it stops running. The velocity of the dog is. A. 2 m/s east B. 4 m/s east C. 8 m/s east D. 10 m/s east

When a unicellular organism grows, the number of its cells increases. (True or False)