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POST LABORATORY QUESTIONS 1. a. For the neutralization reaction that you carried out between HCl(aq) and NaOH (ag). how many
4. Using the table of thermodynamic quantities for selected substances at 25°C the Alex for the two reactions were calculated
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Answers lla) carried let the neutralization reaction that between Hallaq) and Naot (aq) is: HCl(aq) + NaOH(aq) Nach (aq) + H22 Let The lcawes of Standard Enthalphy of formations Shf (kJ/mol ) Substance HCl (aq) - 167.15 - 470.09 -426.73 Naoh (aq) Nao② to calculate the arrn for the neutraliza of Hel (aq) and Naoth (s) in kJ/mol of Nace let, Acllaq) + NaOH(s) Nace(aq) + H201There fore, Hrxn = -43136 kJ/mol (6) is this reaction Endothermic cord Exothermic) Here, DH this lalue is ve and hence reac

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