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Chem-Module 12
Question | Answer |
---|---|
Pressure | The force per unit area exerted on an object |
Pa | Pascal |
1.000 atm (kPa) | 101.3 kPa |
1.000 atm (torr) | 760.0 torr |
1.000 atm (mmHg) | 760.0 mmHg |
Boyle's Law | PV=constant |
Charles's Law | At constant pressure, the temperature and volume of a gas are linearly proportional. |
Extrapolation | Following an established trend in the data even though there is no data available for that region |
The Combined Gas Law | P1V1/T1 = P2V2/T2 |
The molecules (or atoms) that make up the gas are very ______ compared to the total volume available to the gas. | small |
The molecules (or atoms) that make up the gas must so _____ apart that there is no _______ or _______ between them. | Far, attraction, repulsion. |
The collisions that occur between the gas molecules (or atoms) must be ______. In other words, no no energy can be lost in the collision. Also, no energy can be lost when they collide of the wall of the container. | Elastic |
Standard Temperature and Pressure | A temperature of 273 K and a pressure 1.00 atm |
Dalton's Law of Partial Pressures | When two or more ideal gases are mixed together, the total pressure of the mixture is equal to the sum of the pressure of each individual gas. |
Vapor Pressure | The pressure exerted by the vapor which sits on top of any liquid. |
The ______ pressure of any liquid _______ with increasing temperatures | Vapor, increases |
Boiling point | The temperature at which the vapor pressure of a liquid is equal to normal atmospheric pressure |
Mole fraction | X= # of moles of component/total # of moles in the mixture |
P1 = | P1=X1PT |
Ideal gas constant | R+ 0.0821 L x atm/mole x K |