First Law Of Thermodynamics Flashcards, test questions and answers

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What is First Law Of Thermodynamics?

The First Law of Thermodynamics states that energy can neither be created nor destroyed, only transformed from one form to another. This law is the foundation for all of thermodynamics and is a fundamental concept in physics. In essence, it means that energy exists in various forms but can never be created or destroyed, only transferred and changed between forms.The First Law states that the total energy of an isolated system remains constant. This means that when energy is added to a system, the amount of energy inside the system will increase by an equal amount; likewise, when energy is removed from a system, its internal energy will decrease by an equal amount. Heat and work are two examples of how this transfer can take place. Heat is generally defined as thermal or kinetic energy while work involves changes in potential or gravitational energies. The most important implication of the First Law is that it provides us with an understanding of entropy and its implications on our environment. Entropy refers to the tendency for systems to become more disordered over time which results in increased randomness amongst their components; this has direct implications for our environment due to its role in climate change and global warming. If we want to ensure a sustainable future for our planet then we must consider not just how much renewable and non-renewable resources we use but also how much entropy they create through their use; only then can we hope to minimize our impact on our environment while still providing enough resources for everyone’s needs.