Hydrochloric acid ___ M Sodium hydroxide___M volume of hydrochloric acid Tempera

Question

Hydrochloric acid ___ M Sodium hydroxide___M volume of hydrochloric acid Temperature of hydrochloric acid Volume of sodium hydroxide Temperature of sodium hydroxide Initial temperature, T_1 (average) Final temperature, T_2 (from graphs) CALCULATIONS (on an attached page.) Initial temperature, T_1 Final temperature, T_2 Temperature change, delta T Mass of solution Amount of heat evolved Moles of NaCI produced by acid-base reaction Molar heat of neutralization, delta H Average molar heat of neutralization, delta H

Explanation / Answer

Initial temperature = 20.2oC

Final temperature = 30.5 oC

Temperature change = 10.3oC

Mass of solution = 50gm + 50gm = 100gm

Amount of heat evolved = mass * specific heat * temperature change

                                   = 100gm * 4.184 J/oC/gm * 10.3oC

                                   = 4309.52 J

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provide molarity of HCl and NaOh to do rest of the calculations

          

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