A laboratory experiment is to be run at 100.0 K. Express this temperature in Celsius to the nearest degree.

Question

BlackTom AI · Accepted Answer

The task is to convert a temperature from Kelvin to Celsius and then express it to the nearest degree.
First, recall the conversion formula between Kelvin and Celsius: C = K − 273.15. This bridges the absolute scale (K) to the Celsius scale.
Plugging in K = 100.0 K gives C = 100.0 − 273.15 = −173.15 °C.
Rounding −173.15 °C to the nearest degree yields −173 °C. This aligns with standard rounding, where −173.15 rounds to the more positive side of the −173 bound.
Now, regarding the answer options provided: there are no explicit choices listed in the question text. Consequently, we rely on the computed value and the nearest-degree rounding rule to determine the correct result. The presence of an option such as −173 °C would be consistent with the calculation above, while any alternative like −174 °C or  -172 °C would be incorrect given the exact rounding.
If you compare against typical formatting, expressing the final result as −173 °C (to the nearest degree) is standard, and is derived directly from the well-known Kelvin-to-Celsius relationship without any additional adjustments.
In summary, by applying C = K − 273.15 to 100.0 K and rounding to the nearest degree, the Celsius temperature is −173 °C. Since no concrete options are shown in the prompt, this calculation provides the logically correct result for the given conversion.

A laboratory experiment is to be run at 100.0 K. Express this temperature in Celsius to the nearest degree.单项选择题

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