OHST Practice Exam

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A temperature of 70 degrees Celsius equals what in degrees Kelvin?

The correct answer is: 343

To convert a temperature from degrees Celsius to Kelvin, you add 273.15 to the Celsius temperature. In this case, if the temperature is 70 degrees Celsius, you would calculate it as follows: 70 + 273.15 = 343.15 K When rounded, this is approximately 343 K. This conversion is based on the absolute temperature scale, where 0 K (absolute zero) is the point at which molecular motion stops, equating to -273.15 degrees Celsius. By understanding this conversion process, it's clear that the temperature of 70 degrees Celsius is effectively represented as about 343 K on the Kelvin scale. The other options represent temperatures that would not follow this conversion from Celsius to Kelvin, illustrating that they would either be too low or not appropriately aligned with the scientific standard for temperature conversion.