TABLE 4-3. INTEGRAL AND DIFFERENTIAL HEATS OF SOLUTIONFOR 1 MOLE oF H,SO, IN WATER AT 25°CΔΗMoles ofWater (ni)AH,(cal/mole)AH,(cal/mole)(cal)-6,750-6,740-4,730-2,320-1,480-1,040-5700.50-3,810-6,820-9,960-11,890- 13,120-14,740- 16,240- 16,990-17,470- 17,770- 18,130- 18,990- 20,050- 22,990-438-2,090-5,320-7,450-8,960-11,320-13,910-15,640- 16,860-17,480-17,700- 18,260- 19,220- 22,99012346.- 233- 89.8101525-24.450-5.70200-2.16800-0.913,200-0.26 12. From the data in Table 4-3 determine at 25°C:(a) The amount of heat which will be liberated when 2 moles of H,S0,(1)are dissolved in 30 moles of H,0(1)(b) The differential heats of solution of the acid and the water for the givensolution.

The solution of the question is given below:

12. From the data in Table 4–3 determine at 25°C: (a) The amount of heat which will be liberated when 2 moles of H;S0,(1) are dissolved in 30 moles of H20(1) (b) The differential heats of solution of the acid and the water for the given solution.

12. From the data in Table 4–3 determine at 25°C: (a) The amount of heat which will be liberated when 2 moles of H;S0,(1) are dissolved in 30 moles of H20(1) (b) The differential heats of solution of the acid and the water for the given solution.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter10: Effect Of Electrolytes On Chemical Equilibria

Section: Chapter Questions

Problem 10.7QAP

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Question

TABLE 4-3. INTEGRAL AND DIFFERENTIAL HEATS OF SOLUTION
FOR 1 MOLE oF H,SO, IN WATER AT 25°C
ΔΗ
Moles of
Water (ni)
AH,
(cal/mole)
AH,
(cal/mole)
(cal)
-6,750
-6,740
-4,730
-2,320
-1,480
-1,040
-570
0.50
-3,810
-6,820
-9,960
-11,890
- 13,120
-14,740
- 16,240
- 16,990
-17,470
- 17,770
- 18,130
- 18,990
- 20,050
- 22,990
-438
-2,090
-5,320
-7,450
-8,960
-11,320
-13,910
-15,640
- 16,860
-17,480
-17,700
- 18,260
- 19,220
- 22,990
1
2
3
4
6.
- 233
- 89.8
10
15
25
-24.4
50
-5.70
200
-2.16
800
-0.91
3,200
-0.26

12. From the data in Table 4-3 determine at 25°C:
(a) The amount of heat which will be liberated when 2 moles of H,S0,(1)
are dissolved in 30 moles of H,0(1)
(b) The differential heats of solution of the acid and the water for the given
solution.

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