Identify the missing particle in the following reaction: 99 43 Tc \ ___+0 -1 epsilon

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.

The standard gibbs energy of formation of nh3(g) is –16.5 kjmol−1 at 298k. what is the reaction gibbs energy when the partial pressures of the n2, h2, and nh3 (treated as perfect gases) are 3.0bar, 1.0bar, and 4.0bar, respectively? what is the spontaneous direction of the reaction in this case?