Bio- Ch. 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Energy | The capacity to do work
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| Chemical Reaction | The process by which one or more substances change to produce one or more different substances
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| Reactant | A substance or molecule that participates in a chemical reaction
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| Product | A substance that forms in a chemical reaction
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| Activation Energy | The minimum amount of energy required to start a chemical reaction
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| Catalyst | A substance that changes the rate of a chemical reaction without being consumed or changed significantly
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| Enzyme | The type of protein or RNA molecule that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed
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| Polar | Describes a molecule with opposite charges on opposite ends
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| `Hydrogen Bond | The intermoleculer force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule
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| Cohesion | A force that holds molecules of a single material together
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| Adhesion | The attractive force between two bodies of different substances that are in contact with each other
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| Capillarity | The attraction between molecules that results in a rise of a liquid in small tubes
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| Solution | A homogeneous mixture throughout which two or more substances are uniformly dispersed
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| Solute | In a solution, the substance in which the solute dissolves
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| Buffer | A solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it
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| Concentration | The amount of a particular substance in a given quantity of a mixture, solution, or ore
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| Solvent | In a solution, the substance in which the solute dissolves
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| Hydroxide ion | The OH- ion
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| Hydronium ion (Hydrogen ion) | An ion consisting of a proton combined with a molecule of water
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| PH Scale | A range of values that are used to express the acidity or alkalinity (basicity)
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| Acid | Any compound that increases the number of hydronium ions when dissolved in water
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| Base | Any compound that increases the number of hydroxide ions when dissolved in water
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
archergirl
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