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:
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Answer:
90 mins i think. Sorry if wrong im not sure
Explanation:
The option that is not a primary concern when it comes to business customers making purchasing decisions is satisfaction of needs through purchases.
<h3>What are some of the concerns of business customers in making purchase decisions?</h3>
When a person is said to be making purchasing decisions, business customers often considers:
- The price
- Product quality
- The service
- Supplier relationships.
Hence The option that is not a primary concern when it comes to business customers making purchasing decisions is satisfaction of needs through purchases because that is not their scope of duty.
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Which of the following is NOT a way that business and consumer markets differ?
A) market structure and demand
B) nature of the buying unit
C) satisfaction of needs through purchases
D) types of decisions
E) decision processe
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In a closed system a reversible chemical reaction will reach a state of dynamic chemical equilibrium when the rate of the forward reaction is to be in or equal to the rate of the reverse reaction.
<h3>What occurs if a reaction reaches dynamic equilibrium in a closed system?</h3>
A closed chemical system is said to attain dynamic equilibrium if the rate of the forward reaction is said to have equals the rate of the backward reaction and also the level of concentrations of products and reactants are said to be the same.
Hence, In a closed system a reversible chemical reaction will reach a state of dynamic chemical equilibrium when the rate of the forward reaction is to be in or equal to the rate of the reverse reaction.
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