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Inorganic Chemistry
In a certain electrolysis experiment involving Al3+ ions, 60.2 g of Al was recovered when a current of 0.352 A was used. How many minutes did the electrolysis last?
[Faraday constant = 96500 C/mol]
[Faraday constant = 96500 C/mol]
Inorganic Chemistry
CaMn2O4 is of interest for use as a cathode in Ca ion batteries. Two structures can be
prepared the first is orthorhombic and is based on edge-sharing chains of MnO6
octahedra. The second is tetragonal and contains corner sharing MnO6 octahedra. The
volumes of the MnO6 octahedra are 11.82 and 8.89 Å3, respectively
a) Which of the two structures, orthorhombic or tetragonal, is likely to be stable at high
pressures?
prepared the first is orthorhombic and is based on edge-sharing chains of MnO6
octahedra. The second is tetragonal and contains corner sharing MnO6 octahedra. The
volumes of the MnO6 octahedra are 11.82 and 8.89 Å3, respectively
a) Which of the two structures, orthorhombic or tetragonal, is likely to be stable at high
pressures?
Inorganic Chemistry
GeO2 exists in a number of structures, most commonly a hexagonal form that is built on corner sharing GeO4 tetrahedra and a tetragonal structure in the mineral argutite built from edge sharing GeO6 octahedra.
Which of these two GeO2 structures will be favored if the sample is prepared under high pressure conditions. In framing your answer, you should comment on the likely difference of Ge-O bond distances in each structure.
Which of these two GeO2 structures will be favored if the sample is prepared under high pressure conditions. In framing your answer, you should comment on the likely difference of Ge-O bond distances in each structure.
Inorganic Chemistry
If excess copper reacts in a solution of silver nitrate, it is correct to state that:
A. the reaction is not considered quantitative
B. the equilibrium constant at SATP will have a numerical value between 1 and 100
C. water is not written in the equilibrium law expression because it is a spectator species
D. silver nitrate is not written in the equilibrium law expression because it is a species with a constant concentration
A. the reaction is not considered quantitative
B. the equilibrium constant at SATP will have a numerical value between 1 and 100
C. water is not written in the equilibrium law expression because it is a spectator species
D. silver nitrate is not written in the equilibrium law expression because it is a species with a constant concentration
Inorganic Chemistry
How many moles of Cl2 can be produced from 5.60 mol HCl in reaction
HCl + O2 → Cl2 + H2O (unbalanced) (3 significant. final answer)
HCl + O2 → Cl2 + H2O (unbalanced) (3 significant. final answer)
Inorganic Chemistry
Explain why all crystals contain defects at temperatures above 0 K. Draw a diagram which
shows how the free energy, enthalpy and entropy of a crystal change on the introduction
of defects into the structure.
shows how the free energy, enthalpy and entropy of a crystal change on the introduction
of defects into the structure.
Inorganic Chemistry
What is the structural origin of the pyroelectric property?
Inorganic Chemistry
how many moles are there in 51.1 g of NH3?
Inorganic Chemistry
Which of the two chromium complexes shown below will have the greater value of crystal field splitting? Give an explanation to your conclusion.
[Cr(H2O)6]3+, [Cr(CN)6]3-
[Cr(H2O)6]3+, [Cr(CN)6]3-
Inorganic Chemistry
applications of paper chromatography in DNA sequencing
