If the gas in the piston above has a volume of
20.0 L at a temperature of 25 °C, what is the
volume of that gas when it is heated to 100 °C if
the pressure remains constant?

What semimetal can form four single covalent bonds.

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 is the value of keq for the reaction expressed in scientific notation?