ammonium chloride sodium hydroxide reaction
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Answers:As one who has had his students do this reaction every year for nearly 40 years, I can tell you without a doubt that neutralizing HCl with NaOH is EXOTHERMIC. The solution gets HOTTER. The heat is actually produced from the reaction of H+ and OH- to make water. H+ + OH- --> HOH ..... DH is negative Sodium ions and chloride ions are spectator ions. HCl(aq) + NaOH(aq) --> NaCl(aq) + H2O(l) H+ + Cl- + Na+ + OH- --> Na+ + Cl- + H2O(l) H+ + OH- --> HOH(l)
Answers:KOH & NH4Cl --> NH3 (g) & H2O (l) & KCl (aq) the fumes of ammonia come off http://docs.google.com/viewer?a=v&q=cache:wLufVEgTXpIJ:www.chemistryconnections.com/Stoichiometry/limiting%2520reactant%2520ws1.pdf+KOH+%26+NH4Cl+--%3E+NH3+%26+H2O+%26+KCl&hl=en&gl=us&pid=bl&srcid=ADGEESjPAZS-ieXWkvXxjzvM6kc7qMgOzyC2KRglEo9nQ1Gn0H_4g0UIjuiXl42UeJRxxlEYRKeBMeOWUrd9dsWvyzm6dF1FzecLlOzfxjKksEJX916xxefnNjRH_1FO_0kAr9PLNOdn&sig=AHIEtbS5Ju60VnVFPZzvUrGB9OSsRtTDKQ it's that same as with NaOH & NH4Cl --> NH3 & H2) & NaCl http://www.chemicalforums.com/index.php?topic=5152.0 http://www.hillakomem.com/tag/nh4cl-mw-5349 \http://www.tutorvista.com/ks/sodium-hydroxide-sodium-chloride
Answers:Phenolphthalein reacts with bases to give a pink colour. This is because a base will take 2 protons off phenolphthalein, and the resulting ion is pink- 2NH4OH + C20H14O4 --> 2H2O + C20H12O4-- 2NH4+ This is an acid-base reaction. With ammonium hydroxide and acetic acid, they will react together to neutralise each other, creating a neutral solution, leaving phenolphthalein as the uncoloured, neutral molecule- NH4OH + C20H14O4 + CH3COOH --> H2O + CH3COONH4 + C20H14O4 This is a neutralisation reaction.
Answers:None, the strong acid can't be HCl since that is a weak acid, so there goes A and C, and same for B since it has HCl as a strong base. Then you are left with D, and Table Salt is not a acid.