Ajeweler is making sapphire rings using 2 sapphires on every 1 ring. if the jeweler has 12 sapphires and 10 rings, what is the theoretical yield? a. 5 sapphire rings b. 6 sapphire rings c. 10 sapphire rings d. 12 sapphire rings

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

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.