The high reactivity of the isocyanate group with hydrogen active compounds can be explained by the following resonance structures [1-3]: Electron density is higher at the oxygen atom, while the carbon ...

A fuel cell is an electrochemical energy converter it converts chemical energy of fuel, typically hydrogen, directly into electrical energy. As such, it must obey the laws of thermodynamics. These ...

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No. Unit No. of Periods Marks 1. Some Basic Concepts of Chemistry General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory ...