Which temperature is equal to 120 K when converted to degrees Celsius?

• A. −47 °C
• B. −153 °C
• C. −120 °C
• D. −87 °C

Answer: (D)

Verified step by step guidance

1. Recall the formula to convert temperature from Kelvin (K) to degrees Celsius (°C): \(\text{°C} = K - 273.15\).
2. Identify the given temperature in Kelvin, which is 120 K.
3. Substitute the given Kelvin temperature into the conversion formula: \(\text{°C} = 120 - 273.15\).
4. Perform the subtraction to find the temperature in degrees Celsius (do not calculate the final number here, just set up the expression).
5. Compare the result with the given options to determine which one matches the converted temperature.