fill in the values for qrxn and delta Hrxn and show how they are calculated T; ("C)Tr(°C)AHrxn(KJ/mol)Massqixn (J)SolutionBaseAcidof sol.(g)120 mL 2M20 mL 2M4023.336.1NaOHHCI240 mL 2M 40 mL 2M 8023.336.2NaOHHC1320 mL 2M 20 mL 2M 4023.336.0NaOHHNO3420 mL 2M20 mL 2M 4024.235.8NaOHH2SO440 mL 2M20 mL 2M6024.243NaOHH2SO4

A numerical problem based on mole concept, which is to be accomplished.

Mass T; ("C) Tr(^C) qrxn (J) ΔΗΚ Solution Base Acid of sol. (KJ/mol) (g) 20 mL 2M 20 mL 2M 40 23.3 36.1 NaOH HCl 40 mL 2M 40 mL 2M 80 23.3 36.2 NaOH HCl 20 mL 2M 20 mL 2M 40 23.3 36.0 NaOH HNO3 4 20 mL 2M 20 mL 2M 40 24.2 35.8 NaOH H2SO4 40 mL 2M 20 mL 2M 60 24.2 43 NaOH H2SO4

Mass T; ("C) Tr(^C) qrxn (J) ΔΗΚ Solution Base Acid of sol. (KJ/mol) (g) 20 mL 2M 20 mL 2M 40 23.3 36.1 NaOH HCl 40 mL 2M 40 mL 2M 80 23.3 36.2 NaOH HCl 20 mL 2M 20 mL 2M 40 23.3 36.0 NaOH HNO3 4 20 mL 2M 20 mL 2M 40 24.2 35.8 NaOH H2SO4 40 mL 2M 20 mL 2M 60 24.2 43 NaOH H2SO4

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter5: Introduction To Chemical Equilibrium

Section: Chapter Questions

Problem 5.42E

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Question

fill in the values for qrxn and delta Hrxn and show how they are calculated

T; ("C)
Tr(°C)
AHrxn
(KJ/mol)
Mass
qixn (J)
Solution
Base
Acid
of sol.
(g)
1
20 mL 2M
20 mL 2M
40
23.3
36.1
NaOH
HCI
2
40 mL 2M 40 mL 2M 80
23.3
36.2
NaOH
HC1
3
20 mL 2M 20 mL 2M 40
23.3
36.0
NaOH
HNO3
4
20 mL 2M
20 mL 2M 40
24.2
35.8
NaOH
H2SO4
40 mL 2M
20 mL 2M
60
24.2
43
NaOH
H2SO4

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