The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III). Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

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Answer 1

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Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

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Answer 2

Question

Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

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Answer 3

Question

Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

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Answer 4

Question

Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

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Answer 5

Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

Answer 6

Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

Answer 7

Chapter 18, Problem 40CQ

Summary Introduction

To explain: The way in which chemical reducing agents and molasses or cooking oil promote reduction of Cr(VI) to Cr(III).

Concept introduction: Chromium exists in two states Cr(III) and Cr(IV) of which Cr(III) I is non-toxic. But in underground water, Cr (IV) is high due to erosion and other reasons. The rate of respiration of microbes is used as a part of bioremediation to reduce the toxicity of chromium.

Answer 8

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Answer 11

Ch. 18 - Prob. 1E Ch. 18 - 2. Certain genetic diseases caused by defective...Ch. 18 - 3. How many ATPs are synthesized for every...Ch. 18 - 4. How many ATPs are synthesized for every...Ch. 18 - 5. Explain why defects in mitochondrial genes...Ch. 18 - 6. Deficiencies of the components of Complexes I,...Ch. 18 - 7. Calculate ?G°+ for the oxidation of free FADH2...Ch. 18 - 8. Show that the free energy change for the...Ch. 18 - Prob. 9E Ch. 18 - Prob. 10E

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