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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.


Is Delta S is the change in enthalpy a measure of randomness?

No, ΔS (change in entropy) and ΔH (change in enthalpy) are not measurements of randomness. Entropy is a measure of the disorder or randomness in a system, while enthalpy is a measure of the heat energy of a system. The change in entropy and enthalpy can be related in chemical reactions to determine the overall spontaneity of the process.


Why entropy and temperature has inverse relation explain?

entropy is the measure of disorder in a system having direct relation with heat because it tells about the availability of heat more heat require to do useful work more is the entropy and having inverse relation with temperature because temperature tells the measure of agitation in an atoms of system that entropy is going to be measured.


How can one determine the entropy change in a system?

One can determine the entropy change in a system by calculating the difference between the entropy of the final state and the entropy of the initial state, taking into account any heat transfer and temperature changes.


What are the units for entropy and how are they determined in thermodynamics?

The units for entropy are joules per kelvin (J/K) in thermodynamics. Entropy is determined by dividing the heat transfer of a system by its temperature.

Related Questions

How does entropy relate to heat energy?

Entropy is a measure of the amount of disorder or randomness in a system. When heat energy is added to a system, it increases the randomness of the molecules in the system, leading to an increase in entropy. In essence, heat energy tends to disperse and increase the disorder of a system, consequently raising its entropy.


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 is the equation for entropy and how is it used to quantify the disorder or randomness of a system?

The equation for entropy is S Qrev/T, where S represents the change in entropy, Qrev is the reversible heat transfer, and T is the temperature. Entropy is used to quantify the disorder or randomness of a system by measuring the amount of energy dispersal or distribution within the system. A higher entropy value indicates a higher level of disorder or randomness in the system.


How does the principle of entropy conservation apply to the process of heat transfer in a closed system?

The principle of entropy conservation states that in a closed system, the total entropy remains constant or increases over time. In the process of heat transfer within a closed system, entropy is generated due to the random movement of molecules. This means that as heat is transferred, the entropy of the system increases, leading to a more disordered state.


Is Delta S is the change in enthalpy a measure of randomness?

No, ΔS (change in entropy) and ΔH (change in enthalpy) are not measurements of randomness. Entropy is a measure of the disorder or randomness in a system, while enthalpy is a measure of the heat energy of a system. The change in entropy and enthalpy can be related in chemical reactions to determine the overall spontaneity of the process.


What is exactly entropy and what is its main role in explaining the thermodynamic laws?

The thermodynamic entropy S, often simply called the entropy in the context of thermodynamics, is a measure of the amount of energy in a physical system that cannot be used to do work. It is also a measure of the disorder present in a system. The SI unit of entropy is JK-1 (Joule per Kelvin), which is the same unit as heat capacity


The favorability or spontaneity of a reaction increases when during the course of a reaction?

The favorability or spontaneity of a reaction increases when the overall entropy of the system increases, or when the free energy of the system decreases. This can happen when reactants are in a more disordered state, when the system achieves greater stability, or when the reaction releases heat.


How entropy relate to heat and temperature?

Entropy means disorderness in interatomic state. When heat is given, temp. rises and entropy increase as mobility in inner part increase. But when we cool down substance, entropy decrease as mobility slow down.


According to the second law of thermodynamics does entropy increase in a cold system?

Yes, according to the second law of thermodynamics, entropy tends to increase in a closed system. In a cold system, if the temperature is below the surroundings, the heat can flow from the surroundings to the system, increasing the system's entropy.


Why entropy and temperature has inverse relation explain?

entropy is the measure of disorder in a system having direct relation with heat because it tells about the availability of heat more heat require to do useful work more is the entropy and having inverse relation with temperature because temperature tells the measure of agitation in an atoms of system that entropy is going to be measured.


How can one determine the entropy change in a system?

One can determine the entropy change in a system by calculating the difference between the entropy of the final state and the entropy of the initial state, taking into account any heat transfer and temperature changes.


What are the units for entropy and how are they determined in thermodynamics?

The units for entropy are joules per kelvin (J/K) in thermodynamics. Entropy is determined by dividing the heat transfer of a system by its temperature.