a. Identify whether the reaction ofK(s) andI2 (s) is exothermic or endothermic.Use the following enthalpies of formation:Compound A, H* (kJ/mol)K(s)I₂ (s)KI(s)OendothermicOexothermic00-327.90b. Identify whether cooling and condensing gaseousHe to form liquidHe is exothermic or endothermic.d. Identify whether heatingHgO(s) to formHg() andO2(g) is exothermic or endothermic.Use the following enthalpies of formation:OendothermicOexothermicc. Identify whether heating a soft drink from 25 °C to 70 °C is exothermic or endothermic.OendothermicOexothermicCompound AfH (kJ/mol)Hg(l)O2(g)HgO(s)OendothermicOexothermic[Review Topics]00-90.83Show Hint[References]

Answer: When during a reaction energy gets absorbed we call is endothermic reaction and when energy…

a. Identify whether the reaction of K(s) and I2 (s) is exothermic or endothermic. Use the following enthalpies of formation: Compound Af H* (kJ/mol) K(s) I₂ (s) KI(s) Oendothermic Oexothermic 0 0 -327.90 b. Identify whether cooling and condensing gaseous He to form liquid He is exothermic or endothermic. d. Identify whether heating HgO(s) to form Oendothermic Oexothermic c. Identify whether heating a soft drink from 25 °C to 70 °C is exothermic or endothermic. Oendothermic Oexothermic Hg() and O2(g) is exothermic or endothermic. Use the following enthalpies of formation: Compound Af H (kJ/mol) Hg(l) O₂ (g) HgO(s) Oendothermic Oexothermic Topics] 0 0 -90.83 [References]

a. Identify whether the reaction of K(s) and I2 (s) is exothermic or endothermic. Use the following enthalpies of formation: Compound Af H* (kJ/mol) K(s) I₂ (s) KI(s) Oendothermic Oexothermic 0 0 -327.90 b. Identify whether cooling and condensing gaseous He to form liquid He is exothermic or endothermic. d. Identify whether heating HgO(s) to form Oendothermic Oexothermic c. Identify whether heating a soft drink from 25 °C to 70 °C is exothermic or endothermic. Oendothermic Oexothermic Hg() and O2(g) is exothermic or endothermic. Use the following enthalpies of formation: Compound Af H (kJ/mol) Hg(l) O₂ (g) HgO(s) Oendothermic Oexothermic Topics] 0 0 -90.83 [References]

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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Question

100%

a. Identify whether the reaction of
K(s) and
I2 (s) is exothermic or endothermic.
Use the following enthalpies of formation:
Compound A, H* (kJ/mol)
K(s)
I₂ (s)
KI(s)
Oendothermic
Oexothermic
0
0
-327.90
b. Identify whether cooling and condensing gaseous
He to form liquid
He is exothermic or endothermic.
d. Identify whether heating
HgO(s) to form
Hg() and
O2(g) is exothermic or endothermic.
Use the following enthalpies of formation:
Oendothermic
Oexothermic
c. Identify whether heating a soft drink from 25 °C to 70 °C is exothermic or endothermic.
Oendothermic
Oexothermic
Compound AfH (kJ/mol)
Hg(l)
O2(g)
HgO(s)
Oendothermic
Oexothermic
[Review Topics]
0
0
-90.83
Show Hint
[References]

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