Calculate the volume of 30.1 moles of ammonia. If we have 0.072 g of FeCl3 then how many moles are there?

How many molecules are in 3.78 x 10-3 moles of water?

How many molecules of hemoglobin are there in 8.4 x 10-3 g? The molar mass of hemoglobin is approximately 68,000 g/mole.

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

What effect might melting sea ice have for people who live in coastal areas?

How do you lengthen a pattern piece? (family and consumer science, sewing)