Entropy and Reaction Spontaneity
by Anonymous
Raise the temperature far enough and a reaction that refused to happen suddenly runs on its own.
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About this app
Entropy and Reaction Spontaneity is an interactive chemistry learning app about how disorder, enthalpy, entropy, and temperature affect whether a reaction proceeds spontaneously. Explore solid, liquid, and gas states by changing the number of available sites, then use ΔG = ΔH − TΔS to evaluate spontaneity and identify the temperature where the result changes.
Use cases
- High school chemistry students studying entropy and Gibbs free energy
- Teachers demonstrating reaction spontaneity in class
- Learners comparing particle arrangements in different states of matter
- Students practicing how temperature changes ΔG and spontaneity
Features
- Compare solid, liquid, and gas states through particle arrangement models
- Change the number of available sites and observe how possible arrangements vary
- Adjust ΔH, ΔS, and temperature to calculate and interpret ΔG
- Visualize whether a reaction is spontaneous using interactive diagrams
- Find boundary temperatures where ΔG equals zero
- Complete guided missions covering entropy, Gibbs free energy, and temperature effects