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The characteristics or properties of gases vary widely. Some gases are transparent, some have a strong smell, some dissolve in water, and some react violently with almost any substance. Other gases exhibit exactly the opposite properties. The chemical structure of gases also varies greatly.
A number of gases have a characteristic color. For example, fluorine gas appears green, chlorine appears yellow-green, and nitrogen dioxide (a component of smog) appears red-brown. The majority of gases, however, are colorless. Many gases, including nitrogen, oxygen, and hydrogen, are odorless. Ammonia, however, has a sharp, pungent odor. Because fuel gases such as methane, propane, and butane are odorless, an intensely odorous sulfur compound is added to them to ensure early detection should these gases leak from their containers. Some gases, such as carbon dioxide, dissolve well in water. Many others, including nitrogen, hydrogen, and oxygen, are only slightly soluble in water. The solubility of any gas decreases as the temperature of the gas increases, and it increases as the pressure increases.
Some gases can react with other substances to form new chemical compounds. Oxygen, for example, reacts with iron to form rust. The chemical reactivity of gases varies widely. Oxygen, chlorine, and fluorine are extremely reactive gases. In fact, fluorine will react with almost any other substance; even water and glass will burn in a fluorine atmosphere. At the other extreme are the noble gases, which are generally considered inert (unreactive). Neon, a noble gas, is not known to react with any other substance.
Gas particles are the smallest units into which a gas can be divided without changing the chemical properties of the gas. These particles can either be single atoms or molecules (combinations of atoms). The noble gases, such as neon and helium, are composed of individual atoms. Other gases, including carbon dioxide (CO2), methane (CH4), and ammonia (NH3), contain atoms of more than one element chemically bound together in molecules. Some gases that contain only a single element, such as hydrogen, oxygen, and nitrogen, are also composed of molecules. The oxygen in Earth's atmosphere, for example, consists mostly of oxygen molecules (O2) rather than individual oxygen atoms (O).
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Properties of gas?
It has no shape and size and takes the shape of anything. gases are random groups of atoms.
Is Light has many of the properties of waves but light can also act as though it is a stream of?
... particles.... particles.... particles.... particles.
If the motion of 1 particle of a gas is unaffected by the motion of other particles of the gas unless the particles what?
Unless the particles collide
What are some characteristics of gas?
Properties of an ideal gas: 1) volume is negligible as molecules are far apart. 2) all collisions between molecules are perfectly elastic, meaning that all energy is conserved. 3) there are no attractions between the different gas particles 4) ideal gas obeys the law PV=nRT where n is the number of moles. *most gasses conform to ideal gas properties, except at low temperatures and high pressures
Is bromine a solid a liquid or a gas when the arrangement of particles is far apart and random?
Bromine is a liquid at room temperature. The description of particles is of atoms in a liquid.
Particles move randomly and are well spaced out?
In a gas, particles move randomly due to collisions with other particles and the container walls. The spacing between gas particles is relatively large compared to the size of the particles themselves. This randomness and spacing contribute to the properties of gases, such as their ability to expand to fill a container.
What are the three phases of matter and their properties?
The three phases of matter are solid, liquid, and gas. In a solid, particles are tightly packed, maintaining their shape. In a liquid, particles are close together but can move past one another. In a gas, particles are far apart and move freely.
What properties of gas particles is measured by temperature?
The property of gas particles that is measured by temperature is the average kinetic energy. This energy will increase as a gas becomes warmer or the temperature increases.
What particles move independently of each other?
Particles in a gas move independently of each other, as they have enough kinetic energy to overcome the forces of attraction between them. In a gas, the particles are constantly in random motion and collide with each other and the walls of their container. This leads to the characteristic properties of gases, such as their ability to fill the shape of their container and to be easily compressed.
Are the particles of gas free to move quickly in all directions?
Yes, the particles of a gas are free to move quickly in all directions. This random motion occurs due to the high kinetic energy of gas particles, which allows them to overcome intermolecular forces. As a result, gas particles spread out to fill the volume of their container, leading to the characteristic properties of gases such as low density and high compressibility.
What are the properties and behavior of a degenerate gas?
A degenerate gas is a state of matter where particles are tightly packed together and follow quantum mechanical principles. This type of gas has unique properties such as high density, low temperature, and pressure. The behavior of a degenerate gas is characterized by the exclusion principle, which states that no two particles can occupy the same quantum state. This leads to unusual behaviors such as superfluidity and superconductivity.
Are the particles in a gas spaced further apart or closer than the particles of a solid?
The particles in a gas are spaced further apart than the particles in a solid. In solids, particles are tightly packed in a fixed arrangement, allowing them to vibrate in place. In contrast, gas particles are much more spread out and move freely, which allows them to fill the entire volume of their container. This difference in spacing contributes to the distinct properties of solids and gases.
What is Plasma is matter that is like gas but also has electrically charged particles.?
Yes, that's correct. Plasma is considered the fourth state of matter, and it is made up of charged particles similar to gas but with distinct electrical properties.
Properties of gas?
It has no shape and size and takes the shape of anything. gases are random groups of atoms.
What is the relationship between gas number density and the physical properties of a gas?
The gas number density, which is the number of gas particles in a given volume, is directly related to the physical properties of a gas. A higher gas number density typically results in higher pressure, temperature, and viscosity of the gas. This relationship is important in understanding how gases behave under different conditions.
Why do particles change state?
Physical properties change depending on their current temperature. From coldest to hottest: Solid, liquid, gas, plasma.
Can liquid and gas particles diffuse together?
Yes, liquid and gas particles can diffuse together. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration, and it can occur between different phases of matter. The speed of diffusion may vary depending on the properties of the substances involved.
