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Stack #69911
| Question | Answer |
|---|---|
| ideal gas law | PV=nRT |
| r equal | .0821 L*atm/(mol*K) |
| P is always | atm |
| V is alwasys | L |
| n is | moles |
| T is always | Kelvin scale |
| equal volumes of gases at the sample temp and pressure | contain equal numbers or molecules |
| at step, one mole | of ANY GAS occupies 22.4 L |
| since gases take up the same amount of space | they react in volume to volume ratios |
| big things move | slow |
| small thinghs move | fast |
| r1/r2 | sq.rt. of u2/u1 |
| gay lussacs law of combining volumes of gases | states that at constant temperature and pressure,the volumes of gaseous reactants and products can be expressed as ratios of smallw hole numbers |
| avogrados law | equal volumes of gases at the ssame temperature and perssure contain equal numbers of molcules |
| the volume occupied by one mole of a gas at stp is | known as the standard molar volume f a gas/22.41410 L |
| ideal gas constant | the constant r |
| pv is also equal (in terms of m and M) | PV= mRT/M |
| M is | mRT/PV |
| but M actually is | molar mass |
| m is | mass |
| so therefore, M is | DRT/P |
| so D is | MP/RT |
| diffusion | the gradual mixing of two gases due to their spontaneous random mation |
| effusion | is the process whereby the molecules of a gas confined ina container randomly pass through a tony opening in the container |
Created by:
lilee256