The pH of H 2 SO 4 solution should be calculated. Concept Introduction : H 2 SO 4 is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak. H 2 SO 4 → H + + HSO 4 − HSO 4 − ⇌ H + + SO 4 2 − K a 2 = 1.2 × 10 − 2

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Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

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LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

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Answer 2

Question

Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

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Answer 3

Question

Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

Expert Solution & Answer

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Answer 4

Question

Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

Expert Solution & Answer

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Answer 5

Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

Answer 6

Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

Answer 7

Chapter 7, Problem 98E

Interpretation Introduction

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 7 - Prob. 1DQ Ch. 7 - Differentiate between the terms strength and...Ch. 7 - Prob. 3DQ Ch. 7 - Prob. 4DQ Ch. 7 - Prob. 5DQ Ch. 7 - Prob. 6DQ Ch. 7 - Prob. 7DQ Ch. 7 - Prob. 8DQ Ch. 7 - Prob. 9DQ Ch. 7 - Prob. 10DQ

The pH of H 2 SO 4 solution should be calculated. Concept Introduction : H 2 SO 4 is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak. H 2 SO 4 → H + + HSO 4 − HSO 4 − ⇌ H + + SO 4 2 − K a 2 = 1.2 × 10 − 2

Solution Summary: The author explains that H2 SO 4 is a strong acid. The first H+ dissociation occurs completely, while the second is weak.

Concept explainers

Videos

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2

Want to see the full answer?

Chapter 7 Solutions

The pH of H 2 SO 4 solution should be calculated. Concept Introduction : H 2 SO 4 is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak. H 2 SO 4 → H + + HSO 4 − HSO 4 − ⇌ H + + SO 4 2 − K a 2 = 1.2 × 10 − 2

Solution Summary: The author explains that H2 SO 4 is a strong acid. The first H+ dissociation occurs completely, while the second is weak.

Concept explainers

Videos

Interpretation : The pH of H2SO4 solution should be calculated. Concept Introduction : H2SO4 is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak. H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42− Ka2=1.2×10−2

Want to see the full answer?

Chapter 7 Solutions

Interpretation : The pH of H₂SO₄ solution should be calculated.

Concept Introduction :

H₂SO₄ is a strong acid. The first H+ dissociation occurs completely. But second dissociation of H+ is weak.

H2SO4 → H+ + HSO4−HSO4−⇌ H+ + SO42−

Ka2=1.2×10−2