Before a bond breaks in a chemical reaction, what happens?

A. Energy is absorbed.

B. Neutrons in the nucleus expand.

C. An atom loses its protons.

D. The products get larger.

What type of change is boiling water? Why?

Describe how you write a scientific name

If 2-fluoropentane could undergo an e1 reaction, would you expect the major product to be the more stable alkene or the less stable alkene? explain your answer.

A compound is 24.7% calcium, 1.2% hydrogen, 14.8% carbon, and the rest is oxygen. Write the empirical formula and name the compound.

Name the four signs of a chemical change.

What water activities might be easier to do in Lake Assal's salty water? What activities could be more difficult?

The suffix "-megaly in the term gastromegaly means:

The harder you strike a drum, the greater the sound's A) medium B) volume C) frequency D) pitch

The equation X + Y 2Z has the rate law equation shown below. Which of the following statements best describes the relationship of X on the rate of the reaction? rate = k[X]2[Y] Changing X has no effect on the reaction rate.

What moves in or out of a substance during a change of state?