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Hey everyone! I’m currently struggling with a thermodynamics problem related to entropy and heat transfer. The question is: “A 2kg block of copper (c

February 21, 2025

Hey everyone!

I’m currently struggling with a thermodynamics problem related to entropy and heat transfer. The question is:

“A 2kg block of copper (c = 0.385 kJ/kg·K) is heated from 25°C to 150°C. Calculate the entropy change of the copper block.”

I know the formula for entropy change:

ΔS=m⋅c⋅ln⁡T2T1\Delta S = m \cdot c \cdot \ln \frac{T_2}{T_1}ΔS=m⋅c⋅lnT1T2

But I’m getting conflicting answers. Can anyone confirm the correct steps or point out where I might be going wrong? Thanks in advance! ????

P.S.: If you have similar problems or have great resources on thermodynamics, please share with block blast!

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