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It happens because, even in the same compound, atoms/molecules in different phases have different types of behaviour. For example, unlike solids, liquid and gas molecules can 'flow' around.
What else can I help you with?
How does the entropy change in the reaction 2C3H6 (g) plus 9O (g) 6CO2(g)?
The entropy increase in this reaction.
How does the entropy change in the reaction 2C3H6 902 -- 6C)2 plus 6 H2O?
The entropy increases:)
Does a combustion have a negative entropy or positive entropy?
A combustion reaction typically results in an increase in entropy due to the increase in the number of gaseous molecules formed during the reaction, leading to more disorder in the system. Therefore, combustion generally has a positive entropy change.
True or False A large positive value of entropy tends to favor products of a chemical reaction?
True, a large positive value of entropy tends to favor products of a chemical reaction. However, entropy can be offset by enthalpy; a large positive value of enthalpy tends to favor the reactants of a chemical reaction. The true measure to determine which side of a chemical reaction is favored is the change in Gibbs' free energy, which accounts for both entropy and enthalpy, as calculated by: Change in Gibbs = Change in Enthalpy - Temp in Kelvin * Change in Entropy A negative value of Gibbs free energy will always favour the products of a chemical reaction.
Predict whether the changes in enthalpy entropy and free energy will be positive or negative for the freezing of water and explain your predictions How does temperature affect the spontaneity?
The changes in enthalpy, entropy, and free energy are negative for the freezing of water since energy is released as heat during the process. At lower temperatures, the freezing of water is more spontaneous as the negative change in enthalpy dominates over the positive change in entropy, making the overall change in free energy negative and leading to a spontaneous process.
How does change in phase affect entropy changes in a reaction?
A change in phase (e.g. solid to liquid) typically involves an increase in entropy due to an increase in molecular disorder and freedom of movement. However, entropy changes can vary depending on the specific conditions of the reaction.
What is the impact of a change in temperature on the delta S of surroundings in a chemical reaction?
A change in temperature can affect the entropy change (delta S) of the surroundings in a chemical reaction. When the temperature increases, the surroundings absorb more heat energy, leading to an increase in entropy. Conversely, a decrease in temperature results in a decrease in entropy of the surroundings.
How does the entropy change in the reaction 2c3h6g 9o2g 6co2g 6h2og?
The entropy change in a reaction can be calculated by comparing the entropy of the products to the entropy of the reactants. Without specific entropy values provided, it is difficult to determine the exact change. However, in general, the entropy change is positive in reactions where the products have higher entropy than the reactants, indicating an increase in disorder.
Is the change in entropy, delta S, positive or negative for a spontaneous reaction?
For a spontaneous reaction, the change in entropy (delta S) is typically positive.
How does the entropy change in the reaction 2C3H6 (g) plus 9O (g) 6CO2(g)?
The entropy increase in this reaction.
How does the entropy change in the reaction 2C3H6g 9O2g 6CO2g 6 H2Og?
The entropy increases as there are more molecules on the product side compared to the reactant side. This increase in randomness and disorder leads to a positive change in entropy for the reaction.
What can be said about an exothermic reaction with a negative entropy change?
An exothermic reaction with a negative entropy change indicates that the reaction releases heat to its surroundings and results in a decrease in disorder or randomness of the system.
What describes the entropy change of gas reaction?
if there is an increase in the number of gas molecules , then ^S > 0
How does the entropy change in the reaction 2C3H6 902 -- 6C)2 plus 6 H2O?
The entropy increases:)
How does the entropy change in the reaction 2C3H6 g 9O2 g 6CO2 g 6 H2O g?
The entropy INCREASES. There are more moles in the products than in the reactants.
How do you predict delta s?
delta s (change in entropy) is positive when.... -you go from a solid to a liquid -you go from a liquid to a gas -when you go from a solid to a gas -when there are more mols of products than mols of reactant the change in entropy is negative when the reverse of the above happens
What does the entropy of a reaction describe?
The amount of randomness in the system
