2017-7-18 Purification Technology Edition Daily Question
Thread Content
Regarding the concept of temperature, which one is correct? ( ) (A) Temperature is a fundamental physical property of matter, and it does not change regardless of changes in the external environment. (B) For different substances, the amount of heat absorbed or released when the temperature increases or decreases by one degree is the same. (C) When a substance exchanges heat with its surroundings, its temperature must change. (D) In temperature unit conversions, 0 °C = 273.15 K. D
In the concept of temperature, the correct answer is (D). (A) Temperature is a fundamental physical property of matter, and it does not change regardless of changes in the external environment. (B) For different substances, the amount of heat absorbed or released when the temperature increases or decreases by one degree is the same. (C) When a substance exchanges heat with its surroundings, its temperature must change. (D) In temperature unit conversions, 0 °C = 273.15 K