| A | B |
|---|
| Compressibility | Measure of how much the volume of matter decreases under pressure |
| Kinetic theory | explains why gases are compressed more easily than solids |
| Space | Gases are easily compressed because of the space between the particles |
| compression | To bring particles of a gas closer together |
| Pressure, volume, temperature and number of moles | The four variables generally used to describe a gas |
| Kilopascals | Pressure is generally measured in... |
| Liters | Volume of a gas is generally measured in... |
| Kelvin | Temperature of a gas is generally measured in... |
| pressure | What keeps an inflated raft, inflated? |
| pressure | What increases as you inflate a raft? |
| collisions between particles | As pressure in a container increases, what also increases? |
| triples the pressure | If you triple the number of particles in a container, what happens to the pressure? |
| burst | When you exceed the strength of a container, the container will... |
| reduced | When you release gas from a container, the pressure is... |
| inward | Assuming the pressure outside of a container is greater than inside, which way will a gas flow? |
| pressure difference | Our ears pop due to a... |
| a gas stored at a high pressure | An aerosol paint can works because it has a... |
| increased, decreased, inward | When our diaphragm is lowered, our thoracic cavity volume is ________, its pressure is ________, and therefore the air flows __________ |
| decreased, increased, outward | When our diaphragm is raised, our thoracic cavity volume is ________, its pressure is ________, and therefore the air flows __________ |
| increased | As you reduce the volume of a container, the pressure is... |
| decreased | As you increase the volume of a container, the pressure is... |
| piston | In a car engine, what is used to change the volume within it? |
| doubled | If you cut the volume of a container in half, the pressure is ___________ |
| halved | If you double the volume of a container, the pressure is ___________ |
| increases | As the temperature in a container increases, the pressure inside the container... |
| decreases | As the temperature in a container lowers, the pressure inside the container... |
| doubles | When the temperature inside a container doubles, the pressure inside... |
| halved | When the temperature inside a container is halved, the pressure inside is... |
| Boyle's law | States that for a given mass of gas at constant temperature, the volume of the gas varies inversely with pressure. |
| Boyle's law | States that for a given gas at a constant temperature, as the pressure goes up the volume goes down |
| Boyle's law | States that for a given gas at a constant temperature, as the pressure goes down the volume goes up |
| Charles's Law | As the temperature of an enclosed gas increases, the volume increase, if the pressure is constant. |
| inversely | Pressure and volume are ______________proportional according to Boyle's law |
| directly | Temperature and volume are ___________ proportional according to Charles's law |
| Charles' law | States that as the volume of a gas goes up, the temperature goes up. |
| Charles's law | States that as the temperature of a gas goes up, its volume goes up. |
| Gay-Lussac's law | As the temperature of an enclosed gas increases, the pressure increases, if the volume is constant. |
| directly | Pressure and temperature are ___________ proportional according to Gay-Lussac |
| pressure cooker | What could you find in a kitchen that would use Gay-Lussac's law? |
| Gay-Lussac | As the temperature goes up, the temperature goes up |
| Gay-Lussac | As the pressure goes up, the temperature goes up. |
| Combined gas law | Allows you to do calculations for situations in which only the amount of gas is constant |
| directly | The number of moles of gas is __________ proportional to the number of particles |
| directly | The number of moles of a gas must be __________ directly proportional to volume. |
| 8.31 (L * kPa)/(K*mol) | Ideal gas law constant |
| ideal gas | A gas that follows the gas laws at all conditions of pressure and temperature. |
| ideal | This type of gas would have to conform precisely to the assumptions of the kinetic theory. |
| ideal | This type of gas could have no volume and there could not be any attraction between particles |
| zip, zero, zilch | What type of gas is ideal? |
| low, high | Real gases differ most from an ideal gas at _____ temperatures and _____ pressures |
| compressed air | Divers going to relatively shallow depths, using a mixture of just nitrogen and oxygen are using ________________ |
| Heliox | Divers using a mixture of Oxygen and Helium are using ____________ |
| Trimix | Divers using a mixture of oxygen, helium and nitrogen are using ______________ |
| helium | For divers on deep dives, some or all of the nitrogen may be replaced with ______________ |
| decompression sickness | Dive tables help a diver avoid _____________ _______________. |
| greater | As a diver descends, the water exerts a _____________ pressure. |
| more nitrogen | As a diver descends and the pressure increases _______________ is dissolved in the blood. |
| Nitrogen narcosis | A condition caused by descent below 30 meters, when dissolved nitrogen interferes with transmission of nerve impulses. |
| Decompression sickness | Caused when a diver ascends too quickly and dissolved nitrogen is released from the blood to block small blood vessels |
| dalton's law | This gas law pertains to climbers and divers that use compressed air on their ascents and descents. |
| partial pressure | The contribution each gas in a mixture makes to the total pressure |
| diffusion | Tendency of molecules to move towards areas of lower concentration until the concentration is uniform throughout. |
| effusion | A gas escaping through a tiny hole in its container. |
| molar mass | Gases of lower _________ diffuse and effuse faster than gases of higher ____________ |
| Nitrogen | Which gas would effuse faster? Nitrogen or oxygen |
| Oxygen | Which gas would effuse faster? Oxygen or Argon? |
