一次反応

\documentclass[b5j,9pt]{tetsujsarticle}
\usepackage{tetsuchem}
\pagestyle{fancy}

\begin{document}
\小見出し{一次反応}

\begin{tikzpicture}[>=stealth]
\draw[->] (0,0) -- (5.5,0) node[right] {$t$};
\draw[->] (0,0) -- (0,4) node[above] {$x(t)$};
\draw[domain=0:5,smooth,thick] plot (\x,{3.6*exp(-0.5*\x)});
\draw[densely dashed] (0,1.8) -- (1.385,1.8) -- (1.385,0);
\draw[densely dashed] (0,0.9) -- (2.772,0.9) -- (2.772,0);
\draw[densely dashed] (0,0.45) -- (4.16,0.45) -- (4.16,0);
\node[below] at (1.385,0) {$t_{1/2}$};
\node[below] at (2.772,0) {$2\,t_{1/2}$};
\node[below] at (4.16,0) {$3\,t_{1/2}$};
\node[left] at (0,3.6) {$C_0$};
\node[left] at (0,1.8) {$\bun12 C_0$};
\node[left] at (0,1) {$\bun14 C_0$};
\node[left] at (0,0.3) {$\bun18 C_0$};
\end{tikzpicture}

\br1
\小見出し{二次反応}

\begin{tikzpicture}[>=stealth]
\draw[->] (0,0) -- (6,0) node[right] {$t$};
\draw[->] (0,0) -- (0,4) node[above] {[\ce{H2}]};
\draw[domain=0:5,smooth] plot (\x,{1/(0.5*\x+0.3)}) node at +(-2,1) {双曲線};
\draw (0.1,3.333) -- (-0.1,3.333) node[left] {$C_0$};
\end{tikzpicture}

\br1
\小見出し{平衡の移動は，行き過ぎることはない}

\begin{枠囲み}[平衡はどこまで移動するか]{確認問題８}
\設問カッコ{1}{\ce{N2O4 $\ceq$ 2NO2}の平衡状態にある混合気体の入った定積容器がある。温度一定条件下で\ce{N2O4}を添加し，物質量を２倍にした。十分長時間放置すると，最終的な\ce{[N2O4]}の値は，\bgt{添加前に比べて}大きいか，小さいか。}
\設問カッコ{2}{\ajKakko1の状況において，\ce{[N2O4]}の時間変化として正しいグラフは次の\ajMaru1〜\ajMaru5のうちいずれか。

\begin{center}
\begin{tikzpicture}[>=stealth]
\draw[->] (0,0) -- (0,3) node[above] {\ce{[N2O4]}};
\draw[->] (0,0) -- (4,0) node[right] {時刻};
\draw[densely dashed] (3,1) -- (1.5,1) -- (1.5,0) node[below] {添加時};
\draw[densely dashed] (3,0) -- (3,2.6);
\draw[very thick] (0,1) -- (1.5,1) -- (1.5,2) -- (3.5,2) node[right] {\footnotesize\ajMaru2};
\draw[very thick] (1.5,2) .. controls (1.5,2.4) and (2,2.6) .. (3,2.6) -- (3.5,2.6) node[right] {\footnotesize\ajMaru1};
\draw[very thick] (1.5,2) .. controls (1.5,1.6) and (2,1.4) .. (3,1.4) -- (3.5,1.4) node[right] {\footnotesize\ajMaru3};
\draw[very thick] (1.5,2) .. controls (1.5,1.25) and (2,1) .. (3,1) -- (3.5,1) node[right] {\footnotesize\ajMaru4};
\draw[very thick] (1.5,2) .. controls (1.5,1) and (2,0.6) .. (3,0.6) -- (3.5,0.6) node[right] {\footnotesize\ajMaru5};
\end{tikzpicture}
\end{center}}
\end{枠囲み}

\br1
\begin{枠囲み}{確認問題９}
下図のような容器に\ce{N2O4}と\ce{NO2}の混合気体を封入し，放置したところ，\ce{N2O4(無) $\ceq$ 2NO2(赤褐)}が平衡に達した。このピストンを押しこんで圧縮すると，気体の色は濃くなるか，薄くなるか。\ajKakkoalph1，\ajKakkoalph2のそれぞれの方向から観察した場合に分けて説明せよ。

\begin{center}
\begin{tikzpicture}
\draw (0,0) arc (270:90:0.2 and 0.75);
\node[fill=white] at (-0.2,0.75) {$L$};
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\node[fill=white] at (0.9,-0.5) {$L$};
\draw[rotate=19] (0.49,1.4) arc (180:0:1.335 and 0.25);
\node[fill=white] at (1.1,2.25) {$h$};
\draw[line width=3pt] (3.6,1.41) -- (5.6,2.11);
\draw (0,0) -- (0,1.5) -- (2,1) -- (2,-0.5) --cycle;
\draw[fill=black!30!white] (4.5,0.375) -- (2.5,0.875) -- (2.5,2.375) -- (2.7,2.445) -- (4.7,1.945) -- (4.7,0.445) --cycle;
\draw (4.5,0.375) -- (4.5,1.875) -- (2.5,2.375);
\draw (0,1.5) -- (3.1,2.585);
\draw (2,1) -- (5.1,2.085);
\draw (2,-0.5) -- (5.1,0.585);
\draw[densely dotted] (0,0) -- (3.1,1.085);
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\node[anchor=north east] at (-0.2,0.025) {\ajKakkoalph1};
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\draw[fill=white] (2.5,0.75) circle (0.1);
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\draw[fill=white] (1.5,1.6) circle (0.1);
\draw[fill=white] (2.2,2) circle (0.1);
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\draw[fill=gray] (1.75,0.5) circle (0.1);
\draw[fill=gray] (1.3,1.4) circle (0.1);
\draw[fill=gray] (1.9,1.75) circle (0.1);
\draw[fill=gray] (2.2,0.85) circle (0.1);
\draw[fill=gray] (2.3,0.5) circle (0.1);
\draw[fill=gray] (2.3,-0.2) circle (0.1);
\draw[fill=gray] (2.9,0.6) circle (0.1);
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\draw[fill=gray] (3.5,1.9) circle (0.1);
\draw[fill=gray] (4,1.5) circle (0.1);
\end{tikzpicture}
\end{center}
\end{枠囲み}

\br1
\小見出し{ボルツマン分布}

\begin{center}
\begin{tikzpicture}[>=stealth]
\draw[->] (0,0) -- (4.5,0) node[right] {エネルギー};
\draw[->] (0,0) -- (0,4) node[above] {存在率};
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\node at (0.75,3.5) {\footnotesize 低温};
\draw (0,0) .. controls (0,0.5) and (0.3,1) .. (0.6,1) .. controls (1,1) .. (2.5,0.65) -- (4,0.35);
\node at (0.5,1.2) {\footnotesize 高温};
\draw[densely dashed] (2.5,3.5) -- (2.5,0) node[below] {\footnotesize 活性化エネルギー};
\pattern[pattern=north east lines] (2.5,0) -- (4,0) -- (4,0.35) -- (2.5,0.65) --cycle;
\end{tikzpicture}
\end{center}


\end{document}