CHEMISTRY Paper 1 Inorganic and Physical Chemistry
In a different experiment 50.0 cm 3 of 0.500 mol dm –3 aqueous hydrochloric acid are reacted with 50.0 cm 3 of 0.500 mol dm –3 aqueous sodium hydroxide. NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) ΔH = –57.1 kJ mol–1 The initial temperature of each solution is 18.5 °C Calculate the maximum final temperature of the reaction mixture. Assume that the specific heat capacity of the reaction mixture, c = 4.18 J K–1 g –1 Assume that the density of the reaction mixture = 1.00 g cm –3
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in a different experiment 500 cm 3 of 0500 mol dm –3 aqueous hydrochloric acid are reacted with 500 cm 3 of 0500 mol dm –3 aqueous sodium hydroxide naohaq hclaq → naclaq h2ol Δh –57