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40 Cards in this Set
- Front
- Back
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___ is a quantity that exits whenever a force acting upon a body causes adisplacement.
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Work |
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___ is the capacity to do work. |
Energy |
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Energy that is storedand waiting to be used. |
Potential energy |
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Energy in motion. |
Kineticenergy |
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Thetotal amount of energy of all particles of an object is its _. |
internal energy |
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_is a flow of particles of matter called electrons. _ carries electrical energy. |
Electricity |
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The energy due to vibrationalmotion. |
Vibrational |
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The energy due to rotational motion. |
Rotational |
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The energy due to motion from one location to another. |
Translational |
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Twoforms of potential energy |
gravitational potential energy elastic potential energy |
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_ is stored as a result of the gravitationalattraction of the earth of an object. |
Gravitational potential energy |
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_ is the energy stored in elastic materials as the result oftheir stretching or compressing. |
Elasticpotential energy |
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Threetypes of kinetic energy: |
vibrational rotational translational |
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Energy can neither be created nordestroyed. It can only be transformed from one form to another. |
Law ofconservation of energy |
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_ is the energy that flows fromone object to another as a result oftemperature difference between two objects.
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Heat |
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Sources of heat: |
Natural source
Artificialsources Mechanicalenergy Electrical energy Nuclearenergy |
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_ is the heat per unit mass per degree change intemperature. _ is the heat per unit mass per degree change intemperature.
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Specific heat |
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_ is the amount of heat needed toraise the temperature of 1kg of water by 10C. |
Kilocalorie |
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_ is the amount of heat needed to raisethe temperature of 1g of water by 10C.
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Calorie |
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_ is the amount of heat needed to raise the temperature of 1 lb of water by 10F. |
Btu |
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_ is the measure of the kinetic energy of a body. |
Temperature |
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A_ is a devise that measures temperature. |
thermometer |
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The change per unit length of an object perunit degree is its _. |
coefficient of linear expansion |
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The coefficientof volume expansion is _ times the coefficient of linear expansion. |
three |
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Tominimize the exchange of heat with the surroundings, a double walledvessel is ordinarily used incalorimetric experiments. Such container is called _. |
calorimeter |
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_ is the process of changing a substance from its solid phase to its liquidphase. |
Fusion |
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Theamount of heat per unit mass necessary to change a liquid from the liquid tothe vapor phase without changing the temperature is called the _. |
heat ofvaporization |
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_ is the process of changing the liquid to its vapor state. |
Vaporization |
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_ is the transfer of heat energy froma particle to another particle. |
Conduction |
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_ is the transfer of heat energy by largenumbers of molecules moving in largedistances. |
Convection |
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_ is the transfer of heat energy byelectromagnetic radiation. |
Radiation |
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The _ describes a gas as a large number ofsmall particles (atoms or molecules) that move at random in space andexperience elastic collision. |
kinetic theory of gases |
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is defined as force per unit area. |
Pressure |
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is the space occupied by the gas. |
Volume |
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is the number of particles(molecules)present in the gas itself. |
Concentration |
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_ states that at constant temperature, the volume of any quantity of gasvaries inversely with the pressure of the gas. |
Boyle’sLaw |
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states that at constant pressure, the volume of a given quantity of gasis directly proportional to the absolute temperature. |
CharlesLaw |
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states that at constant volume, thepressure of a given quantity of gas is directly proportional to the absolutetemperature. |
Gay-Lussac’sLaw |
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describes the relationship amongpressure, volume and temperature. |
Combinedgas law |
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shows a complete relationship amongvolume, temperature, pressure and number of moles. |
IdealGas Law |
