The molecular formula for ethane is C₂H₆, while the empirical formula is CH₃.
O thou bloody prison […] / Within the guilty closure of thy walls / Richard the Second here was hacked to death.
But flies an eagle flight, bold, and forth on, / Leaving no tract behind.
The proposed Shanghai Plaza, in Shanghai, China, is an ambitious 8 million-square-foot megadevelopment […]
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