Assume that the potential energy of the products in a chemical reaction is 60 kilojoules. this reaction would be exothermic if the potential energy of the reactants were

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.