हिन्दी में पढ़ेंHome › Formulas › Heat & thermodynamics › Entropy change
Entropy change
ΔS = Q/T
Where: ΔS = Entropy change, Q = heat (J) / charge (C), T = time period (s) / temperature (K) / tension (N)
Solved example
Given: Q = 7, T = 5
Find: Delta_S (Entropy change)
- Formula: ΔS = Q/T
- Substitute the values: ΔS = 7/5
- Result: ΔS = 1.4 J/K
Answer: Delta_S = 1.4 J/K
Calculator
How to calculate Entropy change
- Write down the formula: ΔS = Q/T.
- Note the known values (Q, T).
- Substitute them and simplify to find Delta_S.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Entropy change?
The formula is ΔS = Q/T, where ΔS = Entropy change, Q = heat (J) / charge (C), T = time period (s) / temperature (K) / tension (N).
What is Entropy change when Q = 7, T = 5?
Delta_S = 1.4 J/K. Substitute the values into ΔS = Q/T and simplify.
All Heat & thermodynamics formulas
Heat & thermodynamics →HeatLatent heatLinear expansionVolume expansionIdeal gas lawKinetic theory — pressureRMS speedAverage KE per moleculeHeat conductionStefan–Boltzmann lawWien's lawFirst law of thermodynamicsWork (isobaric)Work (isothermal)Adiabatic processMayer's relationCarnot efficiencyCoefficient of performance (fridge)