A(n) _______________ is a substance that speeds up the rate of a reaction.
polymer
catalyst
amino acid
monosaccharide
15
A type of bond between atoms in which electrons are shared.
Covalent Bond
Metallic Bond
none of these
Ionic Bond
15
Energy input that is needed for a reaction to begin is called _____________________.
activation energy
15
Chemical bond formed when electrons are transferred from one atom to another
ionic bond
15
A weak attraction between a hydrogen atom and another atom is called a _______________.
Hydrogen Bond
15
A protein catalyst that speeds up the rate of specific biological reactions is called a(n) __________________.
enzyme
15
A measurement of how difficult it is to stretch or break the top layer of a liquid.
Surface Tension
15
Atomic number is equal to ______________________
the number of protons
20
elements or compounds that participate in a chemical reaction
reactant
15
mixture of water with an non-dissolved material
suspension
15
small chemical unit that makes up a polymer
monomer
15
reactant of an enzyme-catalyzed reaction
substrate
15
Describe the significance of water having a high heat capacity
allows for our bodies to avoid drastic changes in temperature and allows our bodies to cool off when sweating; ultimately allows our bodies to maintain homeosta
25
Water "sticking" to other water molecules would be an example of ______________________.
heat of vaporization
cohesion
adhesion
capillary action
10
Water sticking to its container would be an example of _____________.