Instructional Video15:24
Khan Academy

PV-Diagrams and Expansion Work, Thermodynamics, Physics

7th - 10th
In this chemistry video, Sal explains why work from expansion in an energy transfer occupies the space underneath the curved line of a PV Diagram. Pressure is plotted on the left axis, and volume is represented on the horizontal axis of...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Work Done by Isothermic Process

9th - 10th
A video lecture explaining how to find the work done in an isothermic process. Lecture defines how the adiabatic process is isolated from world and an isothermic process keeps the temperature the same. Video looks at temperature, ideal...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Efficiency of a Carnot Engine

9th - 10th
A video lecture defining efficiency for a heat engine and the efficiency of a Carnot engine. Using the area under the PV diagram, the lecture explains how the efficiency of an engine could be calculated. [14:04]
Instructional Video
Khan Academy

Khan Academy: Chemistry: Pv Diagrams and Expansion Work

9th - 10th
Learn that the area under a curve can help you find the work done! This video lecture explains why a pressure vs. volume graph could be used to find the work either on or by the system. The video does not go through the calculus of how...
Instructional Video
Khan Academy

Khan Academy: Chemistry: Carnot Efficiency 2: Reversing the Cycle

9th - 10th
Learn how the Carnot engine is the most efficient engine in this video lecture. The lecture begins with describing a heat engine and the steps of Carnot cycle. The video also explores how the engine would need to be frictionless and...
Instructional Video
Khan Academy

Khan Academy: Pv Diagrams Part 1: Work and Isobaric Processes

9th - 10th
The video lesson from Khan Academy provides information about PV diagrams. This information is intended for AP Physics students or for those taking college physics.