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The entropy change ΔS for the combustion of methane to carbon dioxide and liquid water is -242.6 J/mol.K
<h3>What is the Entropy in a Chemical system?</h3>
In a chemical system, Entropy (ΔS) is a quantitative measure of the variety of possible ways to disperse energy inside a chemical system.
- In an isothermal process, entropy is determined as the quantity of heat transmitted to a system.
The chemical reaction for the combustion of methane can be expressed as:
The standard entropy of the combustion is expressed as:
Replacing the standard entropies of the compounds into the above equation, we have:
Learn more about entropy here:
The point is on the graph.
An <em>inverse</em> variation is represented by the following formula:
(1)
Where:
- Independent variable.
- Dependent variable.
- Proportionality constant.
We can eliminate the proportionality constant by creating the following relationship:
(2)
If we know that ,
and
, then the remaining variable is:
The point is on the graph. (Correct choice: C)
To learn more on inverse variations, we kindly invite to check this verified question: brainly.com/question/4838941
<h3>Remark</h3>The statement is incomplete. Complete form is described below:
<em>Point </em><em> is on the graph of an inverse variation. Which of the following ordered pair is on the graph? </em><em>A.</em><em> </em>
<em>, </em><em>B.</em><em> </em>
<em>, </em><em>C.</em><em> </em>
<em>, </em><em>D.</em><em> </em>
<em>.</em>