Question

<a
4) The lowest hypothetical temperature at which all molecular motion
ceases is
a) 273°C b) 273 K
c) - 273°C d) - 273 K​

Answer 1

Answer:

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Step-by-step explanation:

-273.15°C.

Answer 2

Answer:

-274°C

Step-by-step explanation:

The lowest possible temperature, at which all molecules are have the least possible amount of kinetic energy. Absolute zero is equal to 0°K, -459.67°F, or -273.15°C. At temperatures approaching absolute zero, the physical characteristics of some substances change significantly.