var presentation = ["<word>substance<\/word>","<word>acid<\/word>","<word>base<\/word>","<word>theories<\/word>","<word>acid\u2013base behavior<\/word>","<word>Arrhenius theory<\/word>","<word>acid is a substance<\/word>","<word>produces hydronium ions<\/word>","<word>dissolved in water<\/word>","<word>base is one<\/word>","<word>produces hydroxide ions<\/word>","<phrase>A <strong data-readahead=\"substance\" class=\"presentation_word\">substance<\/strong> can often be classified as an <strong data-readahead=\"acid\" class=\"presentation_word\">acid<\/strong> or a <strong data-readahead=\"base\" class=\"presentation_word\">base<\/strong>. There are several different <strong data-readahead=\"theories\" class=\"presentation_word\">theories<\/strong> which explain <strong data-readahead=\"acid\u2013base behavior\" class=\"presentation_word\">acid\u2013base behavior<\/strong>. The simplest is <strong data-readahead=\"Arrhenius theory\" class=\"presentation_word\">Arrhenius theory<\/strong>, which states that <strong data-readahead=\"acid is a substance\" class=\"presentation_word\">acid is a substance<\/strong> that <strong data-readahead=\"produces hydronium ions\" class=\"presentation_word\">produces hydronium ions<\/strong> when it is <strong data-readahead=\"dissolved in water\" class=\"presentation_word\">dissolved in water<\/strong>, and a <strong data-readahead=\"base is one\" class=\"presentation_word\">base is one<\/strong> that <strong data-readahead=\"produces hydroxide ions\" class=\"presentation_word\">produces hydroxide ions<\/strong> when <strong data-readahead=\"dissolved in water\">dissolved in water<\/strong>.<\/phrase>","<word>Br\u00f8nsted\u2013Lowry acid\u2013base theory<\/word>","<word>acids<\/word>","<word>donate a positive hydrogen ion<\/word>","<word>another substance<\/word>","<word>chemical reaction<\/word>","<word>base<\/word>","<word>substance<\/word>","<word>receives that hydrogen ion<\/word>","<phrase>According to <strong data-readahead=\"Br\u00f8nsted\u2013Lowry acid\u2013base theory\" class=\"presentation_word\">Br\u00f8nsted\u2013Lowry acid\u2013base theory<\/strong>, <strong data-readahead=\"acids\" class=\"presentation_word\">acids<\/strong> are substances that <strong data-readahead=\"donate a positive hydrogen ion\" class=\"presentation_word\">donate a positive hydrogen ion<\/strong> to <strong data-readahead=\"another substance\" class=\"presentation_word\">another substance<\/strong> in a <strong data-readahead=\"chemical reaction\" class=\"presentation_word\">chemical reaction<\/strong>; by extension, a <strong data-readahead=\"base\" class=\"presentation_word\">base<\/strong> is the <strong data-readahead=\"substance\" class=\"presentation_word\">substance<\/strong> which <strong data-readahead=\"receives that hydrogen ion\" class=\"presentation_word\">receives that hydrogen ion<\/strong>.<\/phrase>","<word>Lewis acid\u2013base theory<\/word>","<word>based on<\/word>","<word>formation of new chemical bonds<\/word>","<word>acid is a substance<\/word>","<word>accepting a pair of electrons<\/word>","<word>another substance<\/word>","<word>process<\/word>","<word>bond formation<\/word>","<word>base<\/word>","<word>substance<\/word>","<word>provide a pair of electrons<\/word>","<word>form a new bond<\/word>","<word>crucial things being exchanged<\/word>","<word>charges<\/word>","<phrase>A third common theory is <strong data-readahead=\"Lewis acid\u2013base theory\" class=\"presentation_word\">Lewis acid\u2013base theory<\/strong>, which is <strong data-readahead=\"based on\" class=\"presentation_word\">based on<\/strong> the <strong data-readahead=\"formation of new chemical bonds\" class=\"presentation_word\">formation of new chemical bonds<\/strong>. Lewis theory explains that an <strong data-readahead=\"acid is a substance\" class=\"presentation_word\">acid is a substance<\/strong> which is capable of <strong data-readahead=\"accepting a pair of electrons\" class=\"presentation_word\">accepting a pair of electrons<\/strong> from <strong data-readahead=\"another substance\" class=\"presentation_word\">another substance<\/strong> during the <strong data-readahead=\"process\" class=\"presentation_word\">process<\/strong> of <strong data-readahead=\"bond formation\" class=\"presentation_word\">bond formation<\/strong>, while a <strong data-readahead=\"base\" class=\"presentation_word\">base<\/strong> is a <strong data-readahead=\"substance\" class=\"presentation_word\">substance<\/strong> which can <strong data-readahead=\"provide a pair of electrons\" class=\"presentation_word\">provide a pair of electrons<\/strong> to <strong data-readahead=\"form a new bond\" class=\"presentation_word\">form a new bond<\/strong>. According to this theory, the <strong data-readahead=\"crucial things being exchanged\" class=\"presentation_word\">crucial things being exchanged<\/strong> are <strong data-readahead=\"charges\" class=\"presentation_word\">charges<\/strong>.<\/phrase>","<word>Acid strength<\/word>","<word>based on<\/word>","<word>Arrhenius definition<\/word>","<word>acidity<\/word>","<word>pH<\/word>","<word>hydronium ion concentration<\/word>","<word>negative logarithmic scale<\/word>","<word>have a low pH<\/word>","<word>high hydronium ion concentration<\/word>","<word>more acidic<\/word>","<phrase><strong data-readahead=\"Acid strength\" class=\"presentation_word\">Acid strength<\/strong> is commonly measured by two methods. One measurement, <strong data-readahead=\"based on\" class=\"presentation_word\">based on<\/strong> the <strong data-readahead=\"Arrhenius definition\" class=\"presentation_word\">Arrhenius definition<\/strong> of <strong data-readahead=\"acidity\" class=\"presentation_word\">acidity<\/strong>, is <strong data-readahead=\"pH\" class=\"presentation_word\">pH<\/strong>, which is a measurement of the <strong data-readahead=\"hydronium ion concentration\" class=\"presentation_word\">hydronium ion concentration<\/strong> in a solution, as expressed on a <strong data-readahead=\"negative logarithmic scale\" class=\"presentation_word\">negative logarithmic scale<\/strong>. Thus, solutions that <strong data-readahead=\"have a low pH\" class=\"presentation_word\">have a low pH<\/strong> have a <strong data-readahead=\"high hydronium ion concentration\" class=\"presentation_word\">high hydronium ion concentration<\/strong> and can be said to be <strong data-readahead=\"more acidic\" class=\"presentation_word\">more acidic<\/strong>.<\/phrase>","<word>based on<\/word>","<word>Br\u00f8nsted\u2013Lowry definition<\/word>","<word>acid dissociation constant<\/word>","<word>relative ability<\/word>","<word>substance<\/word>","<word>act as an acid<\/word>","<word>Br\u00f8nsted\u2013Lowry definition of an acid<\/word>","<word>higher Ka<\/word>","<word>more likely<\/word>","<word>donate hydrogen ions<\/word>","<word>chemical reactions<\/word>","<word>lower Ka values<\/word>","<phrase>The other measurement, <strong data-readahead=\"based on\" class=\"presentation_word\">based on<\/strong> the <strong data-readahead=\"Br\u00f8nsted\u2013Lowry definition\" class=\"presentation_word\">Br\u00f8nsted\u2013Lowry definition<\/strong>, is the <strong data-readahead=\"acid dissociation constant\" class=\"presentation_word\">acid dissociation constant<\/strong> (Ka), which measures the <strong data-readahead=\"relative ability\" class=\"presentation_word\">relative ability<\/strong> of a <strong data-readahead=\"substance\" class=\"presentation_word\">substance<\/strong> to <strong data-readahead=\"act as an acid\" class=\"presentation_word\">act as an acid<\/strong> under the <strong data-readahead=\"Br\u00f8nsted\u2013Lowry definition of an acid\" class=\"presentation_word\">Br\u00f8nsted\u2013Lowry definition of an acid<\/strong>. That is, substances with a <strong data-readahead=\"higher Ka\" class=\"presentation_word\">higher Ka<\/strong> are <strong data-readahead=\"more likely\" class=\"presentation_word\">more likely<\/strong> to <strong data-readahead=\"donate hydrogen ions\" class=\"presentation_word\">donate hydrogen ions<\/strong> in <strong data-readahead=\"chemical reactions\" class=\"presentation_word\">chemical reactions<\/strong> than those with <strong data-readahead=\"lower Ka values\" class=\"presentation_word\">lower Ka values<\/strong>.<\/phrase>"];
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