Reaction
rate
rate
FIND THE DEFINITION
A).
is the speed at which a chemical reaction takes place, defined as proportional to the increase in the concentration of a product per unit time and to the decrease in the concentration of a reactant per unit time.
B).
is the association of atoms or ions to form molecules, crystals, and other structures.
A!
FIND THE DEFINITION
A).
the branch of science that deals with the structure of matter and how the fundamental constituents of the universe interact
B).
is the force that resists motion when the surface of one object comes in contact with the surface of another.
B!
FIND THE DEFINITION
A).
a branch of natural science that deals principally with the properties of substances, the changes they undergo, and the natural laws that describe these changes
B).
condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs
B!
HOW FAST IS IT
A).
299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour).
B).
travels at an average speed of 29,236 miles per hour or 47,051 kilometers per hour
A!