The discovery of USS Monitor during the Civil war and the use of sacrificial anode to prevent the corrosion of metal hull of the Monitor is given. The process by which attachment of Zinc to the hull would protect the Monitor from further corrosion is to be stated. Concept introduction: The corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen. Applying the coating of more reactive metal over the less reactive metal prevents the metal to undergo corrosion. To determine: The process by which attachment of Zinc to the hull would protect the Monitor from further corrosion.

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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10 Consider the following reaction: CH3OH(g) CO(g) + 2H2(g) (Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.) Part A Calculate AG for this reaction at 25 °C under the following conditions: PCH₂OH Pco PH2 0.815 atm = 0.140 atm 0.170 atm Express your answer in kilojoules to three significant figures. Ο ΑΣΦ AG = -150 Submit Previous Answers Request Answer □? kJ × Incorrect; Try Again; 2 attempts remaining Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship: AGrxn = AGrxn + RTInQ, AGxn+RTInQ, where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a is the reaction quotient. Provide Feedback Next >

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Chapter 18, Problem 116AE

Interpretation Introduction

Interpretation:

The discovery of USS Monitor during the Civil war and the use of sacrificial anode to prevent the corrosion of metal hull of the Monitor is given. The process by which attachment of Zinc to the hull would protect the Monitor from further corrosion is to be stated.

Concept introduction:

The corrosion is a process that involves the deterioration of metal surface in the process of moisture and oxygen. Applying the coating of more reactive metal over the less reactive metal prevents the metal to undergo corrosion.

To determine: The process by which attachment of Zinc to the hull would protect the Monitor from further corrosion.

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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10 Consider the following reaction: CH3OH(g) CO(g) + 2H2(g) (Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.) Part A Calculate AG for this reaction at 25 °C under the following conditions: PCH₂OH Pco PH2 0.815 atm = 0.140 atm 0.170 atm Express your answer in kilojoules to three significant figures. Ο ΑΣΦ AG = -150 Submit Previous Answers Request Answer □? kJ × Incorrect; Try Again; 2 attempts remaining Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship: AGrxn = AGrxn + RTInQ, AGxn+RTInQ, where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a is the reaction quotient. Provide Feedback Next >

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