-1000Decomposition RezctionsCarbon Reduction ReactionsAHAS(kJ)(JK-mol)O 2 Ag,0(s) → 4 Ag(s) + O2(g)+62.2+132.7O 2 MgO(s) → 2 Mg(s) + O2(g)+1202.4+216.71000-O 2 AlhO3(s) → 4 Al(s) – 3 02(g)+3351.4+546.8O 2 Fe2O3(s) → 4 Fe(s) – 3 O2(g)+1648 4+5515O 2 HgO(s) → 2 Hg(t) + 0,(g)+181.7+286.82000-O 2 Cr,03(s) → 4 Cr(s)– 3 0,(g)2269 4+548.4Temperature3000300300 K2000Temperature ((K)Clear GraphThe metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be obtained by chemical reduction with carbon at reasonabletemperatures. What procesS Is used to obtain these metals from their ores?positive

Less-reactive metal such as iron may be extracted by reduction with carbon or carbon monoxide. The…

The metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be obtained by chemical reduction with carbori at reasonable temperatures. What process I5 used to obtain these metals from their ores? positive

The metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be obtained by chemical reduction with carbori at reasonable temperatures. What process I5 used to obtain these metals from their ores? positive

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

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 3RQ: Table 17-1 lists common half-reactions along with the standard reduction potential associated with...

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Concept explainers

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.

Question

-1000
Decomposition Rezctions
Carbon Reduction Reactions
AH
AS
(kJ)
(JK-mol)
O 2 Ag,0(s) → 4 Ag(s) + O2(g)
+62.2
+132.7
O 2 MgO(s) → 2 Mg(s) + O2(g)
+1202.4
+216.7
1000-
O 2 AlhO3(s) → 4 Al(s) – 3 02(g)
+3351.4
+546.8
O 2 Fe2O3(s) → 4 Fe(s) – 3 O2(g)
+1648 4
+5515
O 2 HgO(s) → 2 Hg(t) + 0,(g)
+181.7
+286.8
2000-
O 2 Cr,03(s) → 4 Cr(s)– 3 0,(g)
2269 4
+548.4
Temperature
3000
300
300 K
2000
Temperature ((K)
Clear Graph
The metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be obtained by chemical reduction with carbon at reasonable
temperatures. What procesS Is used to obtain these metals from their ores?
positive

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