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1)Based on your starting temperature calculate the DELTA Greaction for the neutralization for phosphoric acid from your experimental molar enthalpy (Hreaction) and the standard entropy change (Soreaction) calculated in the Pre-lab. Use the equation G = H - TS 2)Use a table of standard free energies of formation (Gof) to calculate the ∆Goreaction of neutralization, for H3PO4(aq) reacting with NaOH(aq). Consider this the accepted value of ∆G. mL H3PO4/mLNaOH Initial Temp Max Temp Min Temp Trial 1 50mL/50mL 21.6C 30.67C 20.18C Trial 2 50mL/50mL 16.5C 30.65C 16.46C Trial 3 48.5mL/50mL 18.8C 30.82C 18.8

1)Based on your starting temperature calculate the DELTA Greaction for the neutralization for phosphoric acid from your experimental molar enthalpy (Hreaction) and the standard entropy change (Soreaction) calculated in the Pre-lab. Use the equation G = H - TS 2)Use a table of standard free energies of formation (Gof) to calculate the ∆Goreaction of neutralization, for H3PO4(aq) reacting with NaOH(aq). Consider this the accepted value of ∆G. mL H3PO4/mLNaOH Initial Temp Max Temp Min Temp Trial 1 50mL/50mL 21.6C 30.67C 20.18C Trial 2 50mL/50mL 16.5C 30.65C 16.46C Trial 3 48.5mL/50mL 18.8C 30.82C 18.8

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...
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1)Based on your starting temperature calculate the DELTA Greaction for the
neutralization for phosphoric acid from your experimental molar enthalpy
(Hreaction) and the standard entropy change (Soreaction) calculated in the
Pre-lab. Use the equation G = H - TS

2)Use a table of standard free energies of formation (Gof) to calculate the
∆Goreaction of neutralization, for H3PO4(aq) reacting with NaOH(aq).
Consider this the accepted value of ∆G.

 

 

 

mL H3PO4/mLNaOH

Initial Temp

Max Temp

Min Temp

Trial 1

50mL/50mL

21.6C

30.67C

20.18C

Trial 2

50mL/50mL

16.5C

30.65C

16.46C

Trial 3

48.5mL/50mL

18.8C

30.82C

18.8
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