EQUIVALENT VOLUME, MOLECULAR VOLUME
\ɪkwˈɪvələnt vˈɒljuːm], \ɪkwˈɪvələnt vˈɒljuːm], \ɪ_k_w_ˈɪ_v_ə_l_ə_n_t v_ˈɒ_l_j_uː_m]\
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The v. occupied by a molecule of a substance in the gaseous state. At the ordinary conditions of temperature and pressure the m. v. of all chemical compounds is 22.4 liters. In the gaseous state, and under equal conditions of temperature and pressure, the molecular v's are the same for all substances, and are equal to the molecular weights divided by the specific gravity referred to hydrogen as a unit. In the solid and liquid states the molecular v. is equal to the molecular weight divided by the specific gravity referred to water as a unit. [Lat.]
By Smith Ely Jelliffe
