Gases Flashcards, test questions and answers
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What is Gases?
Gases are a state of matter characterized by having no fixed shape or volume. They are made up of tiny particles that move freely in any direction and rapidly spread outward to fill any volume or container available. Gases have low densities compared to liquids and solids, meaning they take up much more space than the same amount of liquid or solid. The most common gases include air, nitrogen, oxygen, and carbon dioxide. Gases are affected by temperature and pressure changes much more than other states of matter due to their disperse nature. Increasing the temperature of a gas increases its kinetic energy, causing its particles to move faster and further apart from one another resulting in an increase in volume without an increase in mass. Similarly, when pressure is applied on a gas it causes the particles to be pushed closer together resulting in a decrease in volume without a decrease in mass. Understanding how gases react to changing temperatures and pressures is important for many applications such as monitoring atmospheric phenomena like hurricanes or climate change; controlling air flow inside buildings; operating engines; manufacturing products like plastics, food products, metals alloys; powering rocket ships; diving deep under the ocean’s surface; creating medical treatments like inhalers for asthma sufferers etc. Gases also play an important role in our everyday lives such as providing us with breathable air or helping us cook our food through propane gas stoves etc.In summary, gases are an important state of matter due to their unique properties which make them ideal for many applications ranging from scientific research to everyday life activities such as cooking food etc. It is essential that we understand how gases react so we can use them properly and safely for various applications today and into the future.