《化工热力学》2020年春季学期在线作业（一）

adminhan

<p>题目如下：</p><p><img height="36" width="263" alt="" src="http://file.open.com.cn/ItemDB/4973/4ad1c868-e904-4af9-bd8b-8f1c8ae1ab87/201091683716666.png" /></p>
A:&nbsp;温度的函数<span>&nbsp;&nbsp;&nbsp;&nbsp;</span>
B:温度和压力的函数
C:<div>温度、压力和组成的函数</div>

<div><em>T</em>温度下的过热蒸汽的压力<em>p</em><span>&nbsp;&nbsp;&nbsp; </span></div>
A:＞<em>p^s</em>(<em>T</em>)
B:<div>＜<em>p^s</em>(<em>T</em>)<span>&nbsp;&nbsp;&nbsp; </span></div>
C:＝<em>p^s</em>(<em>T</em>)

<p>题目和选项如下图所示：</p><p><img height="113" width="675" alt="" src="http://file.open.com.cn/ItemDB/4973/9b22cd4e-d03c-400e-a5c4-aa1b33dc0b2c/20109168423813.png" /></p>
A:A
B:B
C:C

<p>题目如下：</p><p><img height="145" width="329" alt="" src="http://file.open.com.cn/ItemDB/4973/af269041-5935-4fe2-9c50-6df173a02469/201091685058507.png" /></p>
A:A
B:B
C:C

<div>题目和选项如下图所示：</div><div><img height="131" width="702" alt="" src="http://file.open.com.cn/ItemDB/4973/f61111a3-98ea-4781-a17e-0c8d68616d20/20109168520492.png" /></div>
A:A
B:B
C:C

<div>计算过程有效能变化的公式&Delta;<em>E_x</em>＝&Delta;<em>H</em>－<em>T</em>₀&Delta;<em>S</em>适用于＿＿。</div>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; LETTER-SPACING: 0.5pt; POSITION: relative; TOP: 3.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-text-raise: -3.5pt">各种过程的物理有效能变化</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; LETTER-SPACING: 0.5pt; POSITION: relative; TOP: 3.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-text-raise: -3.5pt">各种过程的物理有效能变化和化学有效能变化</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; LETTER-SPACING: 0.5pt; POSITION: relative; TOP: 3.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-text-raise: -3.5pt">理想气体的物理有效能变化</span>

<p>题目和选项如下图所示：</p><p><img height="75" width="691" alt="" src="http://file.open.com.cn/ItemDB/4973/4e05de5f-fc96-421d-a8b9-36b76cc219b5/201091685250743.png" /></p>
A:A
B:B
C:C

<p>题目和选项如下图所示：</p><p><img height="149" width="426" alt="" src="http://file.open.com.cn/ItemDB/4973/9912ad8b-cdcf-4c86-8f12-17e4db7850ac/201091684828957.png" /></p>
A:A
B:B
C:C

<div>某个体系从一个状态变至另一个状态, 其理想功＿＿。</div>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; LETTER-SPACING: 0.5pt; POSITION: relative; TOP: 3.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-text-raise: -3.5pt">与进行的途径有关</span>
B:<div>与始、终状态有关</div>
C:<div><span>&nbsp;</span>与进行的途径和始、终状态有关</div>

<p>题目如图：</p><p><img height="62" width="677" alt="" src="http://file.open.com.cn/ItemDB/4973/08209641-b1ae-4af9-9df2-88527d185cd6/201091683859972.png" /></p>
A:<em>A</em>₁₂=1.3476；<em>A</em>₂₁=1.3810
B:<div><em>A</em>₁₂=1.3810；<em>A</em>₂₁=1.3476</div>
C:<div><em><div><em>A</em>₁₂=2.3810；<em>A</em>₂₁=2.3476</div></em></div>