Consider the Conversion of White Tin to Gray Tin: Sn(white)→

question 72

Multiple Choice

Consider the conversion of white tin to gray tin: Sn(white) → Sn(gray) ΔH° = -2.09 kJ ΔS° = -7.41 J/K
Based on these data,

• A)white tin is stable below 9°C and gray tin is stable above 9°C.
• B)gray tin is stable below 9°C and white tin is stable above 9°C.
• C)white tin is stable below 15°C and gray tin is stable above 15°C.
• D)gray tin is stable below 15°C and white tin is stable above 15°C.

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