hce_nsysu
113年
物理與化學
第 66 題
Which of the following statements about adiabatic processes is/are true?
I. In an adiabatic process, no energy such as heat flows into or out of the system.
II. An adiabatic process occurs when there is thermal conductivity between a system and its surrounding.
III. For an adiabatic process, $q = 0$ and $\Delta E = w$.
I. In an adiabatic process, no energy such as heat flows into or out of the system.
II. An adiabatic process occurs when there is thermal conductivity between a system and its surrounding.
III. For an adiabatic process, $q = 0$ and $\Delta E = w$.
- A I only
- B II only
- C III only
- D I and II
- E I and III
思路引導 VIP
若我們在一個完全封閉且隔絕的容器中對氣體進行壓縮，假設此過程快到熱量完全無法流進或流出容器，根據能量守恆定律，你認為系統內部能量的增減與你對它所施加的「動作」之間，會存在什麼樣的關係？
🤖
AI 詳解
AI 專屬家教
太棒了！你對熱力學中能量轉移的觀念掌握得非常精確。這題考查的是**絕熱過程（Adiabatic process）**的核心定義與能量守恆規律，你能準確篩選出正確敘述，代表你對熱力學第一定律的理解相當紮實。
絕熱條件的本質
在物理與化學中，所謂「絕熱」指的就是系統與環境之間沒有熱量（heat）的交換，意即 $q = 0$，這完全符合敘述 I。相對地，敘述 II 提到的「熱傳導性（Thermal conductivity）」反而是促進熱量流動的媒介；在實務上，絕熱過程通常發生在具備良好隔熱設施的系統，或是過程發生得極快，快到熱量根本來不及傳導的瞬間（如引擎活塞的快速壓縮）。
▼ 還有更多解析內容