You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? (1) Co(g) → Co (g) + è e Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Co (g) Co(g) + e Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): release absorb Can't be decided with the data given. yes no kJ/mol O release O absorb O Can't be decided with the data given. yes no kJ/mol X S

You may find additional useful data in the ALEKS Data tab. Does the following reaction absorb or release energy? (1) Co(g) → Co (g) + è e Is it possible to calculate the amount of energy absorbed or released by reaction (1) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (1): Does the following reaction absorb or release energy? (2) Co (g) Co(g) + e Is it possible to calculate the amount of energy absorbed or released by reaction (2) using only the data above? If you answered yes to the previous question, enter the amount of energy absorbed or released by reaction (2): release absorb Can't be decided with the data given. yes no kJ/mol O release O absorb O Can't be decided with the data given. yes no kJ/mol X S

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter18: Nuclear Chemistry

Section: Chapter Questions

Problem 81QRT

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Concept explainers

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

Consider the following data for cobalt:
atomic mass 58.933
electronegativity
electron affinity
ionization energy
heat of fusion
1
63.7
(2) Co (g)
1.88
760.4
16.2
1
Explanation
mol
You may find additional useful data in the ALEKS Data tab.
Does the following reaction absorb or release energy?
(1) Co (g)
Co (g) + e
kJ
mol
kJ
mòl
Is it possible to calculate the amount of energy absorbed
or released by reaction (1) using only the data above?
kJ
mol
If you answered yes to the previous question, enter the
amount of energy absorbed or released by reaction (1):
Does the following reaction absorb or release energy?
Co(g) + e
Check
Is it possible to calculate the amount of energy absorbed
or released by reaction (2) using only the data above?
If you answered yes to the previous question, enter the
amount of energy absorbed or released by reaction (2):
Q Search
release
O absorb
O Can't be decided with the data given.
O yes
O no
kJ/mol
O release
O absorb
O Can't be decided with the data given.
O yes
O no
kJ/mol
S
99+
202
H

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