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SHS Adv Biology 1
Chemistry of Life Quiz #2
| Term | Definition |
|---|---|
| Polar | Molecule with opposite charges |
| Cohesion | Force that holds molecules of a single material together |
| Activation Energy | Minimal amount of energy required to start a chemical reaction |
| Adhesion | Attractive forces between different substances |
| Chemical reactions | Process by which one or more substances change to produce one or more new substances |
| Solution | Homogeneous mixture in which two or more substances are evenly dispersed |
| Buffer | Substance that neutralizes small amounts of acids or bases |
| Catalyst | Substance that changes the rate of a chemical reaction without being consumed by the reaction |
| Solvent | Substance in which solute dissolves |
| Acid | Any compound that increases H+ ions in water; pH 1-6 |
| Oxidation Reaction | Chemical reaction in which electrons are lost |
| Solute | Substance dissolved in solvent |
| Base | Any compound that increases OH- ions in water; pH 8-14 |
| Reduction Reaction | Chemical reaction in which electrons are gained |