У вашего броузера проблема в совместимости с HTML5
Presents the definition of enthalpy, its differential, and its use in energy balances. Made by faculty at the University of Colorado Boulder Department of Chemical and Biological Engineering. Check out our Thermodynamics playlists: https://www.youtube.com/user/LearnChemE/playlists?shelf_id=11&view=50&sort=dd
Check out our Material & Energy Balances playlists: https://www.youtube.com/user/LearnChemE/playlists?view=50&flow=list&shelf_id=8
Check out our website for screencasts organized by popular textbooks: http://www.learncheme.com/screencasts
Check out our website for interactive simulations: http://www.learncheme.com/simulations