JazzThe hardest word to guess in hangman, according to science, is: Jazz. Composed of 75 percent uncommon letters (J and Z) and allowing only three chances at picking correctly, jazz is the perfect storm of Hangman trickery.
Zugzwang. Another unusual string of letters makes zugzwang a solid choice for hangman. The word is also helpfully obscure: it's likely to be unfamiliar to anyone who isn't a chess geek.
The main difference between reaction quotient and equilibrium constant is that reaction quotient can be calculated for a reaction at any time whereas equilibrium constant is calculated at the point of equilibrium.
No, qa is not in the scrabble dictionary.
It's a capital Q with a dot above representing "heat transfer per unit time" (or rate of heat transfer). Similar thermodynamic symbols are Ẇ (rate of work produced) and ṁ (rate of mass transfer)...and interestingly these DO exist in Unicode.