Professor Dave Explains
Free Energy of Dissolution
We've learned a lot about solution chemistry, and we've also learned about thermodynamics and spontaneity. So what about the spontaneity associated with dissolution? If an ionic solid dissolves in water, is this an enthalpically or...
Englishing
ESL - Future Simple
Mr. P. starts off by explaining the timeline and the location of the Future Simple on it. Then, he will illustrate the three different types of sentences with examples. Following that, he will explain how and when we use the Future...
Professor Dave Explains
IIT/JEE Chemistry Practice #30: Spontaneity
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
The Laws of Thermodynamics, Entropy, and Gibbs Free Energy
We've all heard of the Laws of Thermodynamics, but what are they really? What the heck is entropy and what does it mean for the fate of the universe? How does soap work?! So many questions answered in this clip! Enjoy!
Amphio
Preparing to be spontaneous
Choral Director Simon Halsey explains why more rehearsals can free the orchestra and chorus to be more spontaneous.
Curated Video
NATO's US envoy optimistic of peace in Afghanistan
The US ambassador to NATO (North Atlantic Treaty Organization) told the Associated Press on Thursday that she was optimistic of peace finally being achieved in Afghanistan even though there was a "long road" ahead.
Kay...
Sky News
Bill Wyman & Mandy Smith Announce Wedding in 1989
CLEAN: Interior shots of Rolling Stones bassist & founding member Bill Wyman with Mandy Smith speaking to press & photographers about their engagement, wedding plans and work at the Sticky Fingers restaurant on May 9, 1989 in London,...
Khan Academy
Khan Academy: Chemistry: Gibb's Free Energy and Spontaneity
Understand the intuition to why Gibb's free energy equation can predict whether a reaction is spontaneous in this video lecture. The lecture goes through scenarios to show how a reaction may happen spontaneously based on enthalpy,...