Substance H₂O HC1 NaOH NaCl = reaction=AHproducts-AHreactants reaction (AHH20 + AHNaci) - (AHHCI + AHNaOH) = reaction (-286 kJ/mol + -407 kJ/mol) - (-164 kJ/mol + -469 kJ/mol) Hreaction = -60 kJ/mol t's calculate the limiting reagent to determine how many mols of water will be formed: emember: Volume of reactant ÷ 1000 x Molarity of reactant x mole-to-mole ratio to water ere's the first reactant: 10mL of 2.5M HCI 10 *2.5 = 0.025 mol HCl 1000 YOU t's do this for the second reactant, 30mL of 1.0M NaOH 30 2 0.03 mol NaOH 1000 -1.5 AHf in kJ/mol -286 -164 -469 -407 me limiting reagent is the compound that produced the fewest number of moles. If you did our calculations right, it should have been the HCI! Multiply that number of moles buy the Hreaction that was calculated above 0.0255mol H₂O) x -60 kJ/mol = kJ
Substance H₂O HC1 NaOH NaCl = reaction=AHproducts-AHreactants reaction (AHH20 + AHNaci) - (AHHCI + AHNaOH) = reaction (-286 kJ/mol + -407 kJ/mol) - (-164 kJ/mol + -469 kJ/mol) Hreaction = -60 kJ/mol t's calculate the limiting reagent to determine how many mols of water will be formed: emember: Volume of reactant ÷ 1000 x Molarity of reactant x mole-to-mole ratio to water ere's the first reactant: 10mL of 2.5M HCI 10 *2.5 = 0.025 mol HCl 1000 YOU t's do this for the second reactant, 30mL of 1.0M NaOH 30 2 0.03 mol NaOH 1000 -1.5 AHf in kJ/mol -286 -164 -469 -407 me limiting reagent is the compound that produced the fewest number of moles. If you did our calculations right, it should have been the HCI! Multiply that number of moles buy the Hreaction that was calculated above 0.0255mol H₂O) x -60 kJ/mol = kJ
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 12QAP: The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q,...
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