Chapter 5 Gases Word Scramble
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Question | Answer |
An instrument used to atmospheric pressure is called a | Barometer |
An instrument used to measure the pressure of a gas in a laboratory is called a | Manometer |
An instrument used to measure blood pressure is called a | Sphygmomanometer |
The volumes of a gas is proportional to the temperature of a gas is known | as Charles's Law |
The volumes of a gas is proportional to number of moles of a gas is known | as Avogadro's law |
The volume of a gas is inversely proportional to the pressure of a gas is known | as Boyle's law |
A scuba diver experiences _____________ as she descends into the ocean water | increase of 1 atm for each 10 m of depth |
Define hypoxia. | Oxygen starvation |
Define vapor pressure | partial pressure of water in a gaseous mixture |
The total pressure f a gas mixture is the sum of the partial pressure of its components is known | as Dalton's law |
A mixture of 1.0 mol He and 1.o mol Ne are at STP in a rigid container. What is true? | Both gases have the same average kinetic energy |
Which statement is TRUE about kinetic molecular theory? | The collisions of particles with one another is completely elastic |
The rate of effusion of two different gases is known | as Graham's law |
Define Diffusion. | Gas molecules spread out in a concentration gradient |
The rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas? Gas with the highest average speed at 400 K | N2 |
At very high pressures, | a gas will occupy a larger volume than predicted by the ideal gas law |
At low temperatures, | intermolecular forces becomes important and the pressure of a gas will be lower than predicted by the ideal gas law |
What compound will behave LEAST like an ideal gas at low temps? | SO2 |
This equation is used to calculate the properties of a gas under nonideal conditions. | van der Waal's equation |
Give the gas that is the lowest percent by volume in dry gas | CO2 |
Boyle's Law | P1V1 = P2V2 |
Charles's Law | V1T1 = V2T2 |
Avogadro's Law | V1n1 = V2n2 |
Ideal Gas Law | PV = nRT |
Dalton's Law | PT = PA +PB + PC.. |
If the pressure in a gas container that is connected to an open-end U-tube manometer is 116 kPa and the pressure of the atmosphere at the open end of the tube is 752 mmHg, the level of mercury in the tube will | be 118 mm higher in the arm open to the atmosphere |
Give the temperature and pressure at STP. | 0 C and 1.00 atm |
Gas samples would be most likely to behave ideally under the stated conditions? | Ar at STP |
Sample with the greatest volume at STP | 22 g He |
Samples with lowest pressure if they are all at the same temperature and in identical containers (same volume) | 15 g Kr |
Sample with the greatest density at STP | SF6 |
Identify the gas particle that ravels the fastest | H2 |
Identify the gas particle that ravels the slowest | CO |
Gas w/ the lowest average speed at 25C | Kr |
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