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# MCRT Gas Laws

### MCRT-Gas/Chemical Laws

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

Ideal gas law | PV= nRT |

Boyle’s Law | States that press and volume of a gas system vary inversely if the temp and amount of gas in the system are constant: P1V1 = P2V2 |

Charles' Law | States that the temp and volume of a gas system vary directly if the press and amount of gas in the system are constant: V1/T1 = V2/T2 |

Gay-Lussac's Law | States that the pressure and temperature of a gas system vary directly if the volume and amount of gas in the system are constant: P1/T1 = P2/T2 |

Combined Gas Law | States that pressure, temperature, and volume of gas are specifically related if the amount of gas remains constant: P1V1/T1 = P2V2/T2 |

Dalton’s Law of Partial Pressures | 1. Ptotal = P1 + P2 + P3... 2. The concentration of a gas is equal to the partial pressure of the gas divided by the barometric pressure. 3. The gases act independently of each other. 4. Humidity does has no effect on Dalton’s Law |

Avogadro's Law | 1. States that at equal temperatures and pressure equal volumes of different gases, regardless of their mass, contain equal numbers of molecules. 2. One mole of gas will occupy 22.4 L. 3. One mole contains 6.02 x 10^23 particles |

(Avagadro's Law) At STP 1 mole of gas will occupy what volume? | 22.4 L |

(Avagadro's Law) How many particles in 1 mole | 6.02 x 10^23 |

Henry’s Law of Solubility | The amount of gas that dissolves in a liquid at a given temperature is directly proportional to the partial pressure of the gas above the surface of the liquid. |

Graham’s Law of Diffusion | The rate at which gases diffuse is inversely proportional to the square root of gram molecular weight (their densities) |

Fick’s Law of Diffusion | The greater the area, diffusion coefficient, and pressure gradient, the more diffusion will occur. (And vice versa). A thicker membrane will decrease diffusion. |

Pascal’s Principle | Fluids confined in a container will transmit force or pressure uniformly in all directions |

Define Pressure | defined as a force (F) acting perpendicularly to a surface area (A) or P = F / A |