In this experiment you will measure the enthalpy of three processes.Reaction 1NaOH (s) → NaOH (aq)AH1Reaction 2NaOH (aq) + HCI (aq) → H2O (I) + NaCI (aq)AH2Reaction 3NaOH (s) + HCI (aq) → H2O (I) + NaCI (aq)AH3 Reaction 1Reaction 2Reaction 3Mass NaOH4.0652Volume 1.0M100Mass NaOH4.0156(g)NAOH (mL)(g)Volume100Volume 1.0M100Volume 1.0M200Water (mL)HCI (mL)HCI (mL)25.00T.24.9925.01inita (C)inita (C)inita (C)Tinal (C)36.14Tinal (C)31.37Tinal (C)37.61

ΔH1 = -qrxn1 / nwhere qrxn1 heat of the solution and n is the moles of NaOH.similarly,ΔH2 = -qrxn2 /…

Reaction 1 Reaction 2 Reaction 3 Mass NaOH 4.0652 Volume 1.0M 100 Mass NaOH 4.0156 (g) NaOH (mL) (g) Volume 1.0M 100 HCI (mL) Volume 100 Volume 1.0M 200 Water (mL) HCI (mL) 25.00 24.99 T. inita (C) 25.01 T. inta (C) T. inita (C) Tinal (C) 36.14 Tinal (C) 31.37 Tinal (C) 37.61

Reaction 1 Reaction 2 Reaction 3 Mass NaOH 4.0652 Volume 1.0M 100 Mass NaOH 4.0156 (g) NaOH (mL) (g) Volume 1.0M 100 HCI (mL) Volume 100 Volume 1.0M 200 Water (mL) HCI (mL) 25.00 24.99 T. inita (C) 25.01 T. inta (C) T. inita (C) Tinal (C) 36.14 Tinal (C) 31.37 Tinal (C) 37.61

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter10: Energy

Section: Chapter Questions

Problem 10ALQ

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

100%

In this experiment you will measure the enthalpy of three processes.
Reaction 1
NaOH (s) → NaOH (aq)
AH1
Reaction 2
NaOH (aq) + HCI (aq) → H2O (I) + NaCI (aq)
AH2
Reaction 3
NaOH (s) + HCI (aq) → H2O (I) + NaCI (aq)
AH3

Reaction 1
Reaction 2
Reaction 3
Mass NaOH
4.0652
Volume 1.0M
100
Mass NaOH
4.0156
(g)
NAOH (mL)
(g)
Volume
100
Volume 1.0M
100
Volume 1.0M
200
Water (mL)
HCI (mL)
HCI (mL)
25.00
T.
24.99
25.01
inita (C)
inita (C)
inita (C)
Tinal (C)
36.14
Tinal (C)
31.37
Tinal (C)
37.61

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