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# Ch 10 Chem Vocab

### Chemistry

Question | Answer |
---|---|

diffusion | spontaneous mixing of the particles of two substances caused by their random motion. |

effusion | a process by which gas particles pass through a tiny opening. |

elastic collision | a collision between gas particles and between gas particles and container walls in which there is no net loss of kinetic energy. |

fluid | a substance that can flow and therefore take the shape of its container; a liquid or a gas. |

ideal gas | an imaginary gas that perfectly fits all the assumptions of the kinetic molecular theory. |

kinetic-molecular theory | a theory based on the idea that particles of mater are always in motion |

real gas | a gas that does not behave completely according to the assumptions of the kinetic molecular theory |

atmosphere of pressure (atm) | exactly equivalent to 760 mm Hg |

barometer | a device used to measure atmospheric pressure |

millimeter of mercury (mm of Hg) | a common unit of pressure |

newton | the si unit for force that will increase the speed of a kilogram mass by one meter per second it is applied |

pascal | the pressure exerted by a force of one newton acting on an area of one square meter |

kilopascal | |

pressure | the force per unit area in a surface |

standard temperature and pressure (STP) | the agreed upon standard conditions of exactly one atm pressure and 0 degress celcius |

standard ambient temperature and pressure (SATP) | |

torr | |

absolute zero | the tempature given a value of zero on the kelvin scale |

Kelvin | |

Boyle’s Law | the volume fixed mass of gas varies inversely with pressure at constant tempature |

Charles’s Law | the volume of a fixed mass of gas at constant pressure varies directly with the kelvin temppature |

Combined gas law | the relationship between the pressure volume and tempature of a fixed amount of gas |

Dalton’s Law of partial pressure | the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases |

Gay-Lusscac’s Law | the pressure of a fixed mass of gas at constant volume varies directly with the kelvin tempature |

Ideal gas law | the mathematical relationship of pressure volume tempature and the number of moles of a gas |

Partial pressure | the pressure of each gas in a mixture |

Avogadro’s Law | equal volumes of gases at the same tempature and pressure contain equal numbers of molecules |

van der Waals equation | |

bar | |

Gas Constant | |

diffusion | Spontaneous mixing of the particles of two substances caused by their random motion |

effusion | The rate at which a gas escapes |

elastic collision | A collision between gas particles and between gas particles and container walls in which there is no net loss of kinetic energy |

fluid | A substance that can flow and therefore take the shape of its container; a liquid or a gas. |

ideal gas | An imaginary gas that perfectly fits all the assumptions of the kinetic molecular theory. |

kinetic-molecular theory | A theory based on the idea that particles of mater are always in motion |

real gas | A gas that does not behave completely according to the assumptions of the kinetic molecular theory |

atmosphere of pressure (atm) | 760 mm Hg |

barometer | A device used to measure atmospheric pressure |

millimeter of mercury (mm of Hg) | A common unit of pressure |

newton | The si unit for force that will increase the speed of a kilogram mass by one meter per second it is applied |

pascal | Unit of measurement for pressure |

kilopascal | 1000 pascals |

pressure | The force per unit area in a surface |

standard temperature and pressure (STP) | The standard conditions of exactly one atm of pressure and 0 degress celcius |

standard ambient temperature and pressure (SATP) | |

torr | |

absolute zero | The temperature given a value of zero on the kelvin scale |

Kelvin | The temperature at which all thermal motion ceases |

Boyle’s Law | The volume fixed mass of gas varies inversely with pressure at constant tempature |

Charles’s Law | The volume of a fixed mass of gas at constant pressure varies directly with the kelvin temperature |

Combined gas law | The relationship between the pressure volume and temperature of a fixed amount of gas |

Dalton’s Law of partial pressure | The total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases |

Gay-Lusscac’s Law | the pressure of a fixed mass of gas at constant volume varies directly with the kelvin temperature |

Ideal gas law | the mathematical relationship of pressure volume temperature and the number of moles of a gas |

Partial pressure | the pressure of each gas in a mixture |

Avogadro’s Law | equal volumes of gases at the same temperature and pressure contain equal numbers of molecules |

van der Waals equation | Relates equation of real gas to that of the ideal |

bar | |

Gas Constant | R equals 0.082 liter-atmospheres per mole-degree |

Created by:
j.millsdar4