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'''Enthalpy''' ("{{adapt|én-thasa-pih}}" "en-tá-lu-lih") sī chi̍t-ê [[jia̍t-le̍k-ha̍k hē-thóng]] ê chi̍t hāng sèng-chit, thang tēng-gī chò H = U + pV; H piáu-sī enthalpy, U sī hē-thóng ê lōe-pō͘ lêng-liōng, p sī ap-le̍k, V sī thé-chek. Tī chi̍t hāng ùi kò͘-tēng khì-ap ê hē-thóng lāi hoat-seng ê [[hòa-ha̍k hoán-èng]], i ê enthalpy ∆H, sī sio-kâng ∆U + p∆V. Nā tī [[hoat-jia̍t hoán-èng]] (''exothermic reaction''), ∆H sī [[hū-sò͘]].<ref name="OxfordDictChem6">{{cite dictionary|dictionary=Oxford Dictionary of Chemistry|editor=John Daintith|edition=6|title=enthalpy|publisher=Oxford University Press|isbn=9780199204632|year= 2008}}</ref>
== Chham-chiàu ==
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