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Explain why aluminium(III )is the only stable oxidation state of aluminum in this compounds,in cont
Explain why aluminium(III )is the only stable oxidation state of aluminum in this compounds,in contrast to thallium,which has states of+1 and+3.
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Explain why aluminium(III )is the only stable oxidation state of aluminum in this compounds,in contrast to thallium,which has states of+1 and+3.
Explain why none of the lanthanoid sesquioxides, Ln2O3, is as acidic as Al2O3
Explain why nuclear magnetic resonance experiments show only one type of hydrogen atom in theion.
The solubility of CuS in pure water is 3.3×10-4g/L at 25℃. Using this number,calculate the apparent value offor CuS. By precise measurement, the value of
for CuS at 25℃ is found to be 8.×10-36. Explain why CuS is more soluble than predicted by the
.
.Only three diffraction peaks are observed in total:(111),(200),and(220).Explain why reflections from planes of higher Miller index are not observed. The lattice constant,a,for nickel is 3.53
.
What is the main purpose of this passage?
A.To describe an experiment in which a Hydrapulper is used.
B.To introduce Hydrapulper, a new type of garbage disposer.
C.To tell what the writer thinks of the recycling of garbage.
D.To explain why garbage should be recycled in a new way.