Oceanography study guide Chapter 6 Alkaline/base (134)- a substance that that combines with a hydrogen ion in solution Chemical equilibrium (132) – in seawater, the condition in which the proportion and amounts of dissolved salts per unit volume of ocean are nearly constant Covalent bonds (122) – a chemical bond formed between two atoms by electron sharing Halocline (137) – the zone of the ocean in which salinity increases rapidly with depth Latent heat of evaporation (143) – heat added to a liquid during evaporation (or released from gas during condensation) that produces a change in state but not a change in temperature. For pure water, 585 calories per gram at 68 degrees F. Latent heat of fusion (126) – heat removed from a liquid during freezing (or added to a solid during thawing) that produces a change in state but not temperature. For pure water, 80 calories per gram at 32 deg. F Latent heat vaporization (126) – heat added to a liquid during evaporation (or released from a
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