WorksheetsWeek 9 | Gases | Quizs
Total questions: 14
Worksheet time: 7mins
Gas
A state of matter with a fixed shape and volume.
A state of matter with no fixed shape or volume, where particles move freely and are widely spaced.
A state of matter that is always solid at room temperature.
A state of matter that can only exist in extreme temperatures.
Combined gas law
A law that states that the pressure of a gas is inversely proportional to its volume at constant temperature.
A relationship that combines Boyle’s, Charles’s, and Gay-Lussac’s laws to show how pressure, volume, and temperature of a gas are related: (P1V1/T1) = (P2V2/T2).
A principle that describes how the volume of a gas increases with temperature at constant pressure.
A formula that calculates the density of a gas based on its mass and volume.
Partial pressure
The pressure that a single gas in a mixture would exert if it were alone in the container.
The total pressure exerted by all gases in a mixture.
The pressure exerted by a liquid in a closed container.
The pressure difference between two gases in a mixture.
Pressure
The force exerted by gas particles per unit area when they collide with the walls of their container.
The amount of matter in a given volume of space.
The temperature at which a gas turns into a liquid.
The speed at which gas particles move in a vacuum.
Barometer
A device used to measure atmospheric pressure, often using a column of mercury that rises or falls in response to pressure changes.
A tool for measuring temperature variations in the atmosphere.
An instrument used to determine humidity levels in the air.
A device that measures wind speed and direction.
Temperature
A measure of the average kinetic energy of particles in a substance; for gases, it’s often measured in Kelvin (K).
A measure of the total energy of a substance's particles.
A measure of how hot or cold an object is, typically measured in Celsius or Fahrenheit.
A measure of the pressure exerted by particles in a gas.
Dalton’s law of partial pressures
A law stating that the total pressure of a gas mixture is the sum of the partial pressures of each individual gas: P_total = P1 + P2 + P3 + ...
A principle that states that gases behave independently of each other in a mixture.
A theory that explains the behavior of gases at high pressures and low temperatures.
A law that describes the relationship between the volume and temperature of a gas.
Units of pressure
Pascal (Pa)
Kilogram (kg)
Meter (m)
Joule (J)
Manometer
An instrument that measures the pressure of a gas in a container by comparing it to atmospheric pressure.
A device used to measure temperature in liquids.
A tool for measuring the volume of gases.
An instrument that detects the presence of gas leaks.
Graham's law
A law that states that the rate of diffusion or effusion of a gas is directly proportional to the square root of its molar mass.
A law that states that the rate of diffusion or effusion of a gas is inversely proportional to the square root of its molar mass: (Rate1/Rate2) = sqrt(M2/M1).
A law that states that the rate of diffusion of a gas is equal to its molar mass.
A law that states that the rate of diffusion or effusion of a gas is proportional to its temperature.
Molecular collisions
Interactions where gas particles collide with each other or container walls, changing direction and possibly transferring energy.
A process where molecules are created from atomic interactions.
The phenomenon of gas particles remaining stationary in a container.
A type of reaction that occurs only in solid-state materials.
Kinetic molecular theory
A model describing gases as particles in constant, random motion, with no attraction between them and collisions that are elastic (no energy loss).
A theory that states gases have a fixed volume and shape under all conditions.
A concept that explains how gases can be compressed into liquids under high pressure.
A principle that describes the behavior of solids at absolute zero temperature.
Volume
The amount of space a gas occupies, usually measured in liters (L) or milliliters (mL).
The weight of a substance measured in grams (g).
The temperature at which a substance changes from solid to liquid.
The density of a substance calculated by mass divided by volume.
Ideal gas law
An equation, PV = nRT, that relates the pressure, volume, number of moles, and temperature of an ideal gas. It assumes gases have no volume and no intermolecular forces.
A principle stating that the volume of a gas is directly proportional to its temperature at constant pressure.
A law that describes the behavior of real gases under high pressure and low temperature conditions.
An equation that defines the relationship between the density and temperature of a gas.
