How much heat energy is lost when 50.0 g of water cools from 83℃ to 4.5℃? The specific heat of water is 4.184 J/g℃.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —