The diagram has to be chosen for from the diagrams II through IV that is consistent with the product that is formed from the reaction mixture depicted in diagram I and associated with balanced chemical equation. Concept Introduction: Statement that uses chemical symbols and formulas instead of words in order to describe the changes that takes place in a chemical reaction is known as chemical equation. Reactants are the substances that are present in starting of the chemical reaction and it is entered in left side of the chemical equation. Products are the substance that is obtained from the reactants as a final outcome of the chemical reaction and it is entered in right side of the chemical equation. In order to write a chemical equation four conventions are used and they are, Correct formulas of the reactants are written in left side of chemical equation. Correct formulas of products are written in right side of chemical equation. An arrow is placed between reactants and products which point towards the products. If two or more substances are present in reactant and product, plus sign is used to separate them. Balanced chemical equation is the one that has equal number of atoms of each element that is involved in the chemical reaction on both sides of the chemical equation. An unbalanced chemical equation can be balanced by adding coefficients to the equation. It is a number that is placed in left side of the chemical formula so that it changes the amount only and not the identity.

Question

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

Answer 1

Question

Chapter 6, Problem 6.57EP

Interpretation Introduction

Interpretation:

The diagram has to be chosen for from the diagrams II through IV that is consistent with the product that is formed from the reaction mixture depicted in diagram I and associated with balanced chemical equation.

Concept Introduction:

Statement that uses chemical symbols and formulas instead of words in order to describe the changes that takes place in a chemical reaction is known as chemical equation. Reactants are the substances that are present in starting of the chemical reaction and it is entered in left side of the chemical equation. Products are the substance that is obtained from the reactants as a final outcome of the chemical reaction and it is entered in right side of the chemical equation. In order to write a chemical equation four conventions are used and they are,

Correct formulas of the reactants are written in left side of chemical equation.

Correct formulas of products are written in right side of chemical equation.

An arrow is placed between reactants and products which point towards the products.

If two or more substances are present in reactant and product, plus sign is used to separate them.

Balanced chemical equation is the one that has equal number of atoms of each element that is involved in the chemical reaction on both sides of the chemical equation. An unbalanced chemical equation can be balanced by adding coefficients to the equation. It is a number that is placed in left side of the chemical formula so that it changes the amount only and not the identity.

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