According to collision theory, in order for two molecules to bond they must collide with each other. The collision must also have enough energy and hit with the proper orientation. Which of these will increase the rate of a chemical reaction?
A)
Increasing the size of the container holding the substances.
B)
Decreasing the temperature of the substances that are reacting.
C)
Increasing the amount of the substances to the reaction chamber.
D)
Decreasing the pressure on the substances in the reaction chamber.

What is the density of the black hole

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum