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How is heavy water prepared? Compare its physical properties with those of ordinary water.
Answers (1)
Heavy water is prepared by the exhaustive electrolysis of water.
| S.RNo. | Property | ||
| (i) | Molecular mass (g/mol) | 18.015 | 20.027 |
| (ii) | Melting point (K) | 273.0 | 276.8 |
| (iii) | Boiling point (K) | 373.0 | 374.4 |
| (iv) | Density(298)g/cm | 1.0000 | 1.1059 |
| (v) | Enthalpy of vaporization(kJ/mol) | 40.6 | 41.61 |
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