a. Identify whether the reaction of Na(s) and Br₂ (l) is exothermic or endothermic.Use the following enthalpies of formation:AfH (kJ/mol)CompoundNa(s)Br₂(l)NaBr(s)Oexothermicendothermicb. Identify whether cooling and condensing gaseous N₂ to form liquid N₂ is exothermic or endothermic.exothermicendothermicc. Identify whether heating a soft drink from 25 °C to 60 °C is exothermic or endothermic.exothermicendothermic00-361.02d. Identify whether heating HgO(s) to form Hg(l) and O₂(g) is exothermic or endothermic.Use the following enthalpies of formation:AfH˚ (kJ/mol)CompoundHg(l)O₂(g)HgO(s)exothermicendothermic00-90.83

Exothermic reaction and endothermic reaction: Exothermic reaction: Exothermic reactions are reaction…

a. Identify whether the reaction of Na(s) and Br₂ (l) is exothermic or endothermic. Use the following enthalpies of formation: AfH (kJ/mol) Compound Na(s) Br₂ (l) NaBr(s) Oexothermic O endothermic b. Identify whether cooling and condensing gaseous N₂ to form liquid N₂ is exothermic or endothermic. O exothermic O endothermic 0 0 -361.02 c. Identify whether heating a soft drink from 25 °C to 60 °C is exothermic or endothermic. O exothermic O endothermic d. Identify whether heating HgO(s) to form Hg(l) and O₂(g) is exothermic or endothermic. Use the following enthalpies of formation: AfH (kJ/mol) Compound Hg(l) O₂(g) HgO(s) O exothermic O endothermic 0 0 -90.83

a. Identify whether the reaction of Na(s) and Br₂ (l) is exothermic or endothermic. Use the following enthalpies of formation: AfH (kJ/mol) Compound Na(s) Br₂ (l) NaBr(s) Oexothermic O endothermic b. Identify whether cooling and condensing gaseous N₂ to form liquid N₂ is exothermic or endothermic. O exothermic O endothermic 0 0 -361.02 c. Identify whether heating a soft drink from 25 °C to 60 °C is exothermic or endothermic. O exothermic O endothermic d. Identify whether heating HgO(s) to form Hg(l) and O₂(g) is exothermic or endothermic. Use the following enthalpies of formation: AfH (kJ/mol) Compound Hg(l) O₂(g) HgO(s) O exothermic O endothermic 0 0 -90.83

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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