A mixture of three gases, A, B, and C, is
at a total pressure of 7.64 atm. The partial
pressure of gas A is 1.69 atm; that of gas B is
3.81 atm. What is the partial pressure of gas
C?

Which statement is true about ionic compounds?

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

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: