Convert 7 mol carbon to grams.

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

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

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.