Difference Between Vapor and Gas

The points of difference between Vapor and Gas are shown below:

Vapor

Gas

Condensation

A gaseous form of a substance that can be condensed into a liquid or a solid by increasing the pressure or decreasing the temperature

A gaseous form of a substance that cannot be condensed into a liquid or a solid by increasing the pressure alone

Phases

Usually a mixture of two or more phases (liquid and gas) at room temperature

Usually a single phase (gas) at room temperature

State of Matter

Not a state of matter, but a description of the physical state of a substance

One of the four states of matter, along with solid, liquid, and plasma

Formation

Can be formed from any substance that can exist in both liquid and solid states, such as water, iodine, or carbon dioxide

Can be formed from any substance that can exist in the gaseous state, such as oxygen, nitrogen, or helium

Properties

Has different vapor pressure, vapor density, flammability limits, etc. than gas

Has constant vapor pressure, vapor density, flammability limits, etc. for a given temperature and pressure

Scientific Differences

Obey the Clausius-Clapeyron equation, which relates the vapor pressure and temperature of a substance

Obey the ideal gas law, which relates the pressure, volume, temperature, and number of moles of a gas

Difference Between Vapor and Gas

Difference Between Vapor and Gas: Vapor and Gas are two visually similar terms. While we are familiar with the concept that water transforms into vapor when it boils, we also encounter gases like oxygen in our surroundings. But is vapor synonymous with gas? Some characteristics of vapor and gas are similar while some are completely different.

In this article, we will explore the key difference between Vapor and Gas along with the physical and chemical properties of both states.

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What is Vapor?

Vapors are gaseous forms of substance that are typically in liquid or solid form at room temperature. Vapors can be condensed means changing into liquid form only with a change of pressure without the requirement of a change in temperature/below their critical temperature. For example, we will consider a substance like water which has a critical temperature of 374 degrees C. But water changes into water vapor just by changing temperature....

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What is Gas?

Gas can be simply defined as the third state of matter, the other states are solid and liquid. We know that in solid and liquid the particles are tightly bound but in gas, they are free to move around. That’s why gas does not have a fixed structure. Gases also have a high degree of kinetic energy which allows them to move freely....

Characteristics of Gas

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Difference Between Vapor and Gas

The points of difference between Vapor and Gas are shown below:...

Summary – Vapor vs Gas

Vapor and gas might seem similar, but they have some important differences. Vapor is a gaseous form of a substance that’s usually a liquid or solid at room temperature. It can change into a liquid or solid by tweaking pressure or temperature. On the other hand, gas is the third state of matter, and its particles freely move around. Gases can’t be easily turned into liquids just by changing pressure. Both have unique characteristics and play roles in chemical reactions. Understanding these differences helps us know how substances behave in different conditions, whether it’s water turning into vapor or oxygen existing as a gas....

FAQs on Difference Between Vapor and Gas

1. Write some examples of Vapor and Gas?...