The first law of thermodynamics applies the conservation of energy principle to systems where heat transfer and doing work are the methods of transferring energy into and out of the system.

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Learn what the first law of thermodynamics is and how to use it.

The first law of thermodynamics states that if a system gains/loses some amount of energy, the surroundings must lose/gain the same amount of energy. The second law of thermodynamics states …

Use the first law of thermodynamics and PV diagrams to represent and analyze thermodynamic processes. Learn about thermal energy transfer, material properties such as specific heat and …

If the piston moves up, that's negative value of the work done on the gas. You'd have to plug in a negative value for the work here. So, be very careful. This is a way to calculate the internal energy. …

Well the first law of thermodynamics, or even the definition of internal energy, says that a change in internal energy is equal to heat added to the system-- and once again a very intuitive letter for heat, …

Video transcript - So far you've seen the First Law of Thermodynamics. This is what it says. Let's see how you use it. Let's look at a particular example. This one says, let's say you've got this problem, …

The first law of thermodynamics states that energy cannot be created or destroyed, only converted from one form to another. For example, kinetic energy may be converted into thermal energy, or potential …

First and Second Laws of Thermodynamics, as they apply to biological systems.