Question | Answer |
The type of chemical bond that forms a water molecule (this is a strong bond) | Covalent Bond |
The type of chemical bond that can form BETWEEN water molecules (these are weak, temporary bonds) | Hydrogen Bonds |
Having an uneven distribution of electrons results in a ________ molecule | Polar |
Property of water where water molecules stick together because they form hydrogen bonds with each other | Cohesion |
Property of water where it sticks to hydrophilic surfaces because water forms hydrogen bonds with those surfaces | Adhesion |
Property of water that helps moderate temperatures in cells and in the environment | High Specific Heat |
Having the ability to absorb a lot of heat energy before the temperature rises | High Specific Heat |
Property of water that allows some mammals to cool down by sweating or panting | High Heat of Vaporization |
Having the ability to absorb heat energy in the process of changing from a liquid to a gas | High Heat of Vaporization |
A mixture where substances are evenly distributed | Solution |
Something that dissolves in a solution | Solute |
Substance in which the solute dissolves | Solvent |
A compound that produces hydrogen ions (H+) in solutions | Acid |
A compound that produces hydroxide ions (OH-) in solutions | Base |
Substances that prevent sudden changes in pH | Buffers |
pH range of 0-6 | Acids |
pH range of 8-14 | Bases |
Neutral pH | 7 |
Which is a stronger acid, a solution with a pH of 1 or a solution with a pH of 6? | pH 1 |
Which is a stronger base, a solution with a pH of 8 or a solution with a pH or 14? | pH 14 |
How many valence electrons does Carbon have? | 4 |
How many covalent bonds can Carbon form? | 4 |
A process in which chemical bonds are broken and new bonds are formed is a ___________ ____________. | Chemical Reaction |
Elements or compounds entering into a chemical reaction are _______. | Reactants |
Elements or compounds produced by a chemical reaction are _______. | Products |
Energy needed to get a reaction started | Activation Energy |
Biological substance that lowers a reaction's activation energy | Enzyme |
Reactants of an enzyme-catalyzed reaction | Substrates |
Area of the enzyme that interacts with the substrate | Active Site |
An enzyme that has lost its functional shape is said to be | Denatured |