The total number of valance electrons in the given structure is to be counted and the formal charge on both the Oxygen atoms is to be calculated. Concept Introduction: Some organic functional groups (even neutral functional groups) have formal charges on individual atoms. To calculate the formal charge on an atom in any given structure it is necessary to distinguish between the electrons that make up an atom’s octet and the electrons that formally “belong” to an atom. In any given Lewis structure all electrons associated with an atom either as an unshared pair or shared pair are part of that atom’s octet.

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1) Suppose 0.1 kg ice at 0°C (273K) is in 0.5kg water at 20°C (293K). What is the change in entropy of the ice as it melts at 0°? To produce the original "water gas" mixture, carbon (in a combustible form known as coke) is reacted with steam: 131.4 kJ + H20(g) + C(s) → CO(g) + H2(g) From this information and the equations in the previous problem, calculate the enthalpy for the combustion or carbon to form carbon dioxide. kindly show me how to solve both parts of the same long problem. Thanks

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Question

Chapter 1, Problem 39EQ

Interpretation Introduction

Interpretation:

The total number of valance electrons in the given structure is to be counted and the formal charge on both the Oxygen atoms is to be calculated.

Concept Introduction:

Some organic functional groups (even neutral functional groups) have formal charges on individual atoms.

To calculate the formal charge on an atom in any given structure it is necessary to distinguish between the electrons that make up an atom’s octet and the electrons that formally “belong” to an atom. In any given Lewis structure all electrons associated with an atom either as an unshared pair or shared pair are part of that atom’s octet.

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