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(a) Account for formation of the following series of oxidesin terms of the electron configurations of the elementsand the discussion of ionic compounds in Section 2.7:K2O, CaO, Sc2O3, TiO2, V2O5, CrO3. (b) Name these oxides.(c) Consider the metal oxides whose enthalpies of formation(in kJ mol - 1) are listed here.Oxide K2O1s2 CaO1s2 TiO21s2 V2O51s2ΔHf° -363.2 -635.1 -938.7 -1550.6Calculate the enthalpy changes in the following general reactionfor each case:MnOm1s2 + H21g2¡nM1s2 + mH2O1g2(You will need to write the balanced equation for each caseand then compute ΔH°.) (d) Based on the data given, estimatea value of ΔHf° for Sc2O31s2.

(a) Account for formation of the following series of oxidesin terms of the electron configurations of the elementsand the discussion of ionic compounds in Section 2.7:K2O, CaO, Sc2O3, TiO2, V2O5, CrO3. (b) Name these oxides.(c) Consider the metal oxides whose enthalpies of formation(in kJ mol - 1) are listed here.Oxide K2O1s2 CaO1s2 TiO21s2 V2O51s2ΔHf° -363.2 -635.1 -938.7 -1550.6Calculate the enthalpy changes in the following general reactionfor each case:MnOm1s2 + H21g2¡nM1s2 + mH2O1g2(You will need to write the balanced equation for each caseand then compute ΔH°.) (d) Based on the data given, estimatea value of ΔHf° for Sc2O31s2.

Chemistry
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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(a) Account for formation of the following series of oxides
in terms of the electron configurations of the elements
and the discussion of ionic compounds in Section 2.7:
K2O, CaO, Sc2O3, TiO2, V2O5, CrO3. (b) Name these oxides.
(c) Consider the metal oxides whose enthalpies of formation
(in kJ mol - 1) are listed here.
Oxide K2O1s2 CaO1s2 TiO21s2 V2O51s2
ΔHf° -363.2 -635.1 -938.7 -1550.6
Calculate the enthalpy changes in the following general reaction
for each case:
MnOm1s2 + H21g2¡nM1s2 + mH2O1g2
(You will need to write the balanced equation for each case
and then compute ΔH°.) (d) Based on the data given, estimate
a value of ΔHf° for Sc2O31s2.

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