What is a coefficient in a chemical equation? a. the subscript after an atomic symbol b. a subscript before an atomic symbol c. a number following an elemental or molecular symbol d. a number preceding an elemental or molecular symbol

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Blank liquids and gases exert a buoyant force on objects placed in them

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid