ENERGY BALANCE LAB

Understanding the First Law of Thermodynamics

Energy Cannot Be Created or Destroyed, Only Transferred.

Controls

In Heat Only mode the piston locks. Work Only mode disables heat transfer. Mixed mode uses the full equation.

Drag the glowing piston in the center simulator to change volume directly.

Heat Added0 J
Heat Removed0 J
Work Done0 J
ΔU0 J
Temperature0 K
Pressure0 atm
Volume0 L
ModeMixed

Gas Cylinder System

Q0 J
W0 J
ΔU = Q - W0 J

Real-World Scenario

Pressure Cooker