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Convert \( 25^{0} C \) to Kelvin scale:

1. \( 98.15 K \)
2. \( 198.15 K \)
3. \( 298.15 K \)
4. \( 398.15 K \)

Correct answer: \( 298.15 K \)

Solution

Kelvin and Celsius scales differ by a fixed offset of 273.15. So 25°C becomes 25 + 273.15 = 298.15 K, which matches option C.

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