How does the human voice work

When you want to speak, you close your vocal folds and begin to exhale, causing an increase in pressure that starts your vocal folds to vibrate. The vibration of vocal folds chops the air flow, producing a buzz-like sound

I’m pretty sure it’s false i’m not sure

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.