Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Calorimetry Example: Understanding AHn rxn If 100.0 mL 1.00 M HCI and 100.0 mL 1.00 M NAOH mixed: HCI(aq) + NAOH(aq) H20(1) + NaCI(aq) - Csoln = Cwater = 4.184 J/(g °C) - dsoln = dwater = 1.00 g/mL - mgoln = (100 mL + 100 mL) = 200 mL = 200 g AT soln = 6.9 °C (twice the water, twice the moles) 9soln = (200 g)(4.184 J/(g °C)(6.9 °C) = +5773.92 J FMoles HCI: (M*L) = (1.00 M)(0.100 L) = 0.100 moles Moles NaOH = (1.00 M)(0.100 L) = 0.100 moles 9soln = +5773.92 J / 0.100 moles = +57,739.2 J J/mole %3D %3D %3D %3D | %3D %3D - %3D %3D %3D %3D %3D %3D AHn = -57.7 kJ/mole rxn

Calorimetry Example: Understanding AHn rxn If 100.0 mL 1.00 M HCI and 100.0 mL 1.00 M NAOH mixed: HCI(aq) + NAOH(aq) H20(1) + NaCI(aq) - Csoln = Cwater = 4.184 J/(g °C) - dsoln = dwater = 1.00 g/mL - mgoln = (100 mL + 100 mL) = 200 mL = 200 g AT soln = 6.9 °C (twice the water, twice the moles) 9soln = (200 g)(4.184 J/(g °C)(6.9 °C) = +5773.92 J FMoles HCI: (M*L) = (1.00 M)(0.100 L) = 0.100 moles Moles NaOH = (1.00 M)(0.100 L) = 0.100 moles 9soln = +5773.92 J / 0.100 moles = +57,739.2 J J/mole %3D %3D %3D %3D | %3D %3D - %3D %3D %3D %3D %3D %3D AHn = -57.7 kJ/mole rxn

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
See similar textbooks
icon
Related questions
Question
100%

For calculating delta h, in the example it shows what to do if the reactants have a one to one ratio. How do we normalize if it isn't a one to one ratio? 

Calorimetry Example: Understanding AHn rxn If 100.0 mL 1.00 M HCI and 100.0 mL 1.00 M NaOH mixed: HCI(aq) + NaOH(aq) → H20(1) + NaCl(aq) - Csoln = Cwater = 4.184 J/(g °C) -dsoln = dwater = 1.00 g/mL msoln = (100 mL + 100 mL) = 200 mL = 200 g - AT soln = 6.9 °C (twice the water, twice the moles) 9soln = (200 g)(4.184 J/(g °C)(6.9 °C) = +5773.92 J Moles HCl: (M*L) = (1.00 M)(0.100 L) = 0.100 moles Moles NaOH = (1.00 M)(0.100 L) = 0.100 moles %3D %3D %3D %3D ΔΤ. %3D %3D %3D %3D %3D 9soln = +5773.92 J /0.100 moles = +57,739.2 J J/mole %3D AHn = -57.7 kJ/mole %3D rxn O 2014 Pearson Education, Inc.
Transcribed Image Text:Calorimetry Example: Understanding AHn rxn If 100.0 mL 1.00 M HCI and 100.0 mL 1.00 M NaOH mixed: HCI(aq) + NaOH(aq) → H20(1) + NaCl(aq) - Csoln = Cwater = 4.184 J/(g °C) -dsoln = dwater = 1.00 g/mL msoln = (100 mL + 100 mL) = 200 mL = 200 g - AT soln = 6.9 °C (twice the water, twice the moles) 9soln = (200 g)(4.184 J/(g °C)(6.9 °C) = +5773.92 J Moles HCl: (M*L) = (1.00 M)(0.100 L) = 0.100 moles Moles NaOH = (1.00 M)(0.100 L) = 0.100 moles %3D %3D %3D %3D ΔΤ. %3D %3D %3D %3D %3D 9soln = +5773.92 J /0.100 moles = +57,739.2 J J/mole %3D AHn = -57.7 kJ/mole %3D rxn O 2014 Pearson Education, Inc.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Thermodynamics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
SEE MORE TEXTBOOKS