Table of Contents
Why do gases have unique properties?
Gases have unique properties because the distance between gas particles is much (greater than, smaller than] the particles of a liquid or a solid. Gas particles can be forced closer together by applying pressure to them, thus (decreasing, increasing] their volume.
Unlike solids or liquids, the molecules in a gas are very far apart and rarely interact with each other, which is why gases made out of different molecules share similar behaviors. The gas laws describe the relationships between a gas’s temperature, pressure, volume, and amount.
Which best describe a gas?
Gas is a state of matter that has no fixed shape and no fixed volume. Gases have lower density than other states of matter, such as solids and liquids. The particles exert more force on the interior volume of the container.
Why are gases so important?
Introduction. The study of gases allows us to understand the behavior of matter at its simplest: individual particles, acting independently, almost completely uncomplicated by interactions and interferences between each other.
How is gas a matter?
Gas is a state of matter that has no fixed shape and no fixed volume. The particles move very fast and collide into one another, causing them to diffuse, or spread out, until they are evenly distributed throughout the volume of the container.
What makes a pure gas different from other gases?
A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide). A gas mixture would contain a variety of pure gases much like the air.
How are the physical properties of a gas described?
Because most gases are difficult to observe directly, they are described through the use of four physical properties or macroscopic characteristics: pressure, volume, number of particles (chemists group them by moles) and temperature.
How are gases different from liquids and solids?
A gas mixture would contain a variety of pure gases much like the air. What distinguishes a gas from liquids and solids is the vast separation of the individual gas particles. This separation usually makes a colorless gas invisible to the human observer.
Where does the gas come from in the kitchen?
We give you a few details for your information. The System of Regular domestic LPG gas cylinders is placed in the gas bank (room), from which gas is supplied to your kitchen. Inside the flat an inlet pipe is attached to the main gas valve, which controls (Opening and closing) the supply of gas.