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