At the sublimation temperature, for the process `CO_(2)(S)toCO_(2)(g)`

Question

At the sublimation temperature, for the process `CO_(2)(S)toCO_(2)(g)`

At the sublimation temperature, for the process `CO_(2)(S)toCO_(2)(g)`
A. `DeltaH`, `DeltaS` and `DeltaG` will be negative
B. `DeltaH gt 0`, `DeltaS gt 0` and `DeltaG lt 0`
C. `DeltaH lt 0`, `DeltaS gt 0` and `DeltaG lt 0`
D. `DeltaH gt 0`, `DeltaS gt 0` and `DeltaG gt 0`

Monjur Alahi

8 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Process being in equilibrium, `DeltaG=0`. It possible only when `DeltaH` and `TDeltaS` are equal and oppose each other. Thus, we should have either `DeltaH` and `DeltaS` both `+ve` or both `-ve`.

8 views Answered 2023-02-05 15:29