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Class 12 Tuition > Learn Class XI-XII Tuition (PUC) > What is differenc between enthalpy and entropy ?
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What is differenc between enthalpy and entropy ?

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Entropy is a measure of disorder or randomness of a system. For example An ordered system has low entropy where as Enthalpy is defined as the sum of internal energy of a system and the product of the pressure and volume of the system.
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enthalpy is related to energy and entropoy is related to unevenness
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Enthalpy(H)=U+PV U is internal energy of the system, and PV represents pressure volume energy, so enthalpy of a system is amount of energy required to create the system plus energy required to displace its environment and establish its volume and pressure so that system can exist. To understand entropy...
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Enthalpy(H)=U+PV U is internal energy of the system, and PV represents pressure volume energy, so enthalpy of a system is amount of energy required to create the system plus energy required to displace its environment and establish its volume and pressure so that system can exist. To understand entropy one must go through 2nd law of thermodynamics. In simple terms one can say that entropy is measurement of energy in a system that can NEVER be utilised. read less
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Entropy is a measure of disorder or randomness of a system. Enthalpy is defined as the sum of internal energy of a system and the product of the pressure and volume of the system.
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Entropy is the measure of the disorderliness of the system...like in solids the intermolecular forces of attraction are strong and hence less disorder....Therefore Entropy of gases is very high... Enthalpy H is the sum of internal energy U of a system and the product of the pressure and volume of...
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Entropy is the measure of the disorderliness of the system...like in solids the intermolecular forces of attraction are strong and hence less disorder....Therefore Entropy of gases is very high... Enthalpy H is the sum of internal energy U of a system and the product of the pressure and volume of the system. read less
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Tutor

Enthalpy is defined as the sum of internal energy of a system and the product of the pressure and volume of the system. Entropy is the randomness of a system.
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For example we take a system of molecules in a closed box, The heat content of all of them is measured as enthalpy whereas the disorderness of all the molecules is measured as entropy
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Chemistry Coaching

Entropy is randomness in a system whereas enthalpy is change in energy of system.
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Math Wizard

Entropy is a measure of disorder or randomness of a system. An ordered system has low entropy. A disordered system has high entropy. Enthalpy is defined as the sum of internal energy of a system and the product of the pressure and volume of the system.
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enthaly is the total heat content of the system we can not mesure enthalpy as H=u+pv as wecanot determine the value of internal energy of system.but we can mesure the change in enthalpy.and entropy is simply defined as degree of randomness of the system. similarly we can measure only change in entropy...
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enthaly is the total heat content of the system we can not mesure enthalpy as H=u+pv as wecanot determine the value of internal energy of system.but we can mesure the change in enthalpy.and entropy is simply defined as degree of randomness of the system. similarly we can measure only change in entropy i.e equal to- (q)rev/T. whereas its logical meaning is heat flowed through system in reversible process divided by temperature.change in entropy gives the idea of thermodynamic phisiblity of reaction.. read less
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