Term
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Definition
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Term
| T or F: You can have a negative Kelvin temperature? |
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Definition
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Term
| What temperature is the classroom? |
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Definition
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Term
| If a container of gas at 1 atm is compressed to 1/3 its volume, what is the new pressure? |
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Definition
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Term
| If pressure on a gas is tripled, volume is ________. |
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Definition
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Term
| Why does an increase in volume correspond to a decrease in pressure? |
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Definition
| Because the molecules strike the container wall less often. |
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Term
| T or F: The number of molecules in a mole of a substance is the same for all substances. |
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Definition
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Term
| If the number of molecules in a container doubles, its pressure _____. |
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Definition
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Term
| If both pressure and volume of a gas double, its Kelvin temperature must _______. |
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Definition
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Term
| If the temperature of a gas increases slightly, what happens to its volume? |
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Definition
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Term
| If a gas is compressed to 1/2 volume, does the speed of the molecules change? |
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Definition
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Term
| The absolute temperature of a gas is directly proportional to its __________. |
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Definition
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Term
| T or F: Because oxygen is 16 times more massive than hydrogen, it has more kinetic energy. |
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Definition
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Term
| What is the smallest unit of heat energy? |
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Definition
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Term
| What is the measure of the average kinetic energy of individual molecules? |
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Definition
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Term
| The internal energy of an ideal gas depends on its ______. |
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Definition
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Term
| Why don't ocean temperatures vary drastically? |
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Definition
| Water has a relatively high specific heat. |
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Term
| T or F: Temperature changes during a phase change. |
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Definition
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Term
| What is the heat required to change a substance from a solid to a liquid called? |
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Definition
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Term
| What is the heat required to change a substance from a liquid to a vapor? |
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Definition
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Term
| T or F: Heat energy enters a substance when it melts. |
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Definition
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Term
| T or F: Heat energy leaves a substance when it freezes. |
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Definition
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Term
| T or F: Heat energy leaves a substance when it evaporates? |
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Definition
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Term
| T or F: Heat energy enters a substance when it condenses. |
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Definition
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Term
| Why would a piece of metal feel colder on a cold day than a piece of wood? |
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Definition
| It has more thermal conductivity. |
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Term
| What is the process whereby heat flows by means of molecular collisions called? |
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Definition
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Term
| T or F: Isothermal means "change in temperature". |
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Definition
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Term
| What is it called when a gas exchanges no heat with its surroundings? |
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Definition
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Term
| T or F: Isobaric means "no change in pressure". |
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Definition
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Term
| Is it possible to transfer heat from a cold reservoir to a hot one? |
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Definition
| Yes, but work will have to be done. |
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Term
| If an atom has more electrons than protons, it is a _____. |
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Definition
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Term
| If electrons are tightly bound to the nuclei, the material is an ______. |
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Definition
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Term
| If electrons are loosely bound to the nuclei, the material is a _______. |
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Definition
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Term
| What are the units for a Coulomb? |
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Definition
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Term
| If the charges of two objects are doubled, the force between them _________. |
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Definition
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Term
| T or F: Electric charge is a vector. |
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Definition
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Term
| Can a zero electric field exist? |
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Definition
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Term
| T or F: Electric potential is a vector. |
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Definition
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Term
| One J/C is also one ____. |
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Definition
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Term
| For a proton moving in the direction of the electric field, its potential energy ______ and its electric potential ________. |
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Definition
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Term
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Definition
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Term
| An electron-volt is a unit of ______. |
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Definition
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Term
| T or F: Work is required to move along an equipotential surface. |
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Definition
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Definition
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Term
| T or F: The resistivity of a wire depends on its material. |
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Definition
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Definition
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Definition
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Term
| T or F: When resistors are in series, the current flowing in each one is the same. |
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Definition
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Term
| T or F: Emf is when no current flows to an external circuit. |
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Definition
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Term
| T or F: All electromagnetic waves travel through a vacuum at the same speed. |
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Definition
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