**PLZZ ILL GIVE BRAINLEST** Let's consider that in a sample of air at sea level, the partial pressure of nitrogen is 0.781 atmosphere; oxygen, 0.210 atmosphere; and all other gases, 0.009 atmosphere. What is the total pressure exerted by air?

What is the number of moles in 15.0 g ash3?

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

In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow