States of Matter
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| What are the 3 parts of the Kinetic Theory? | 1. all matter is made of particles. 2. Those particles are in constant random motion. 3. The particles collide with each other & the sides of their container transferring energy without loss.
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| What are the 4 states of matter? | Solid, liquid, gas, plasma
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| In which state of matter do the particles move the slowest? | Solid
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| Among the 3 states of matter found naturally on earth, in which state of matter do the particles move the fastest? | Gas
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| What is Kinetic Energy? | Energy in the form of motion.
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| What is Potential Energy? | Stored energy
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| At what point does a substance change from a solid to a liquid? | Melting point.
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| At what point does a substance change from a liquid to a gas? | Boiling point.
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| At what point does a substance change from a gas to a liquid? | Condensation point
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| At what point does a substance change from a liquid to a solid? | Freezing point
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| At what point does a substance change from a gas to a solid or from a solid to a gas? | Sublimation point
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| At what point does a substance change from a liquid to a gas without boiling? | Evaporation point
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| As the motion of particles increases, what happens to the temperature? | Temperature rises.
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| As heat decreases, what happens to the motion of particles? | Motion slows.
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| What is a Heating Curve? | A graph showing changes in state due to the addition of heat.
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| What does the root word "therm" mean? | heat
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| Expansion? | to get larger
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| As water freezes what happens to its size? | Expands
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| When most substances freeze, what happens to their size? | Contracts
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| Contract? | to get smaller
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| What is a Physical Property? | A characteristic of a substance by itself, such as color, size, shape, state.
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| What is a Chemical Property? | The way in which a substance reacts with one or more other substances, changing the identities of the substances involved.
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| What is a Physical Change? | A change in a physical property.
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| What is a Chemical Change? | A change in the identity of a substance.
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| How is a Chemical Change represented in chemical shorthand? | by a Chemical Equation
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| Name 3 types of Intermolecular Forces. | Dispersion, Dipole-dipole, & Hydrogen.
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| Which intermolecular force is the weakest? | Dispersion.
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| Which intermolecular force is the strongest? | Hydrogen bond.
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| What element is always involved in a hydrogen bond? | Hydrogen.
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| Which type of intermolecular force is important to the chemical reactions of living things. | Hydrogen bonds.
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