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Chemistry is the study of matter. |
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What four components make up the basis for the study of chemistry? |
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1. composition 2. structure 3. properties 4. changes that matter undergoes |
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Two changes that matter undergoes are... |
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The study of carbon-containing compounds. |
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The study of compounds that do not contain carbon. |
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The study of chemical processes that occur in living things. |
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The study of the interaction between mass and energy. |
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The study of the composition and structure of compounds. |
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Studying photosynthesis would be an example of studying what branch of chemistry? |
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Characteristic that allows us to distuingish or identify matter. |
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A property may be expressed as one of two things: |
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Qualitative or quantitative. |
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Description of qualities of matter based on senses. |
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Description based on numbers and may include units of measure. |
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The ability of a metal to be pounded into a thin sheet. |
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The ability of a metal to be pulled into a wire. |
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Temperature at which a substance changes from a liquid to a solid. |
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Temperature at which a substance boils. |
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Amount of a substance that can be dissolved in water. |
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A physical property would be defined as... |
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A property of matter that can be observed without chemically altering the substance. |
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Anything that has mass, volume, and inertia. |
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Resistance to change in motion. |
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The four states of matter. |
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1. solid 2. liquid 3. gas 4. plasma |
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Definite shape. Definite volume. Molecules are densely packed. |
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Indefinite shape. Definite volume. Constant slow motion. |
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Indefinite shape. Indefinite volume. Rapid random movement. Least dense phase of matter. |
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Indefinite shape. Indefinite volume. Rapid random movement. |
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A property that does not depend on the amount of matter present. |
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This property can be used to identify substances. |
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Property that changes based on the amount of matter present. |
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Most chemical properties are... |
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A change that does not chemically alter the substances. |
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A change that alters the chemical identity of a substance. |
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If a gas changes into a liquid, it is called... |
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If a liquid turns into a gas, it is called... |
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If a solid turns into a liquid, it is called... |
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If a liquid turns into a solid, it is called... |
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If a solid turns into a gas, it is called... |
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If a gas turns into a solid, it is called... |
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Rusting is the result of a(n)... |
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Oxidation/reduction reaction. |
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Chemical reactions are written in the form... |
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Reactants -------> Products (The arrow represents 'yields'). |
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A solid or gas dissolved in H2O. |
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Atoms can be rearranged, but cannot be... |
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A reaction where energy is released. |
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When a solid substance forms from a reaction, it is called a.. |
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Combination of two or more pure substances physically. |
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Cannot be separated by physical means. |
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A homogeneous mixture is also called a... |
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Table salt is an example of... |
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Has variable composition throughout. |
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Milk is an example of a... |
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2 or more elements combined chemically. |
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True or False: A compound cannot be decomposed. |
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True: A compound can be composed if a chemical reaction occurs. |
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Ammonia is an example of... |
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Cannot be broken down by chemical means. |
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One element or single atom. |
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2 atoms of the same element. |
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A Triatomic, which is ozone. |
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3 atoms of the same element. |
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2 or more fames of the same element. |
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02 and 03 are an example of.. |
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Separation of a mixture based on polarity and the attraction of the substance to the mobile phase vs. stationary phase |
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This method of separation is used to separate blood. |
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High-speed spinning used to separate mixtures based on density. |
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Separation of homogeneous liquid mixtures based on boiling point differences. |
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Distillation is only used on what kind of mixture? |
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Used to separate a solid from an aqueous solution. |
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How does one filtrate a heterogeneous mixture? |
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With a funnel and filter paper. |
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Used to separate solids from a heterogeneous mixture. |
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Filtration is only used to separate what kind of mixture? |
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Separate a mixture based on magnetism. |
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Chemical methods are used to break compounds down into their component ________. |
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When used to break down a compound, what usually has to happen for decomposition to occur? |
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When used to break down a compound, what usually has to happen for decomposition to occur? |
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Hydrolysis is also known as.. |
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A breakdown of water using electricity. |
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Solutions are made up of (1) dissolved in a (2). |
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Acid turns ___ litmus paper ___. |
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Bases produce what in a solution? |
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Acids produce what in a solution? |
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What kind of flask is used in distillation? |
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