Question

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<td align="center">Reduction half-reaction</td>
<td align="center"><imgsrc="http://session.masteringchemistry.com/render?tex=E%5E%5Ccirc"alt="E^\circ" align="middle" /> (<imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+V"alt="\rm V" align="middle" />)</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Ag%5E%2B%7B%28aq%29%7D%2Be%5E-+%5Crightarrow+Ag%7B%28s%29%7D"alt="\rm Ag^+{(aq)}+e^- \rightarrow Ag{(s)}" align="middle"/></td>
<td align="right">0.80</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Cu%5E%7B2%2B%7D%7B%28aq%29%7D%2B2e%5E-+%5Crightarrow+Cu%7B%28s%29%7D"alt="\rm Cu^{2+}{(aq)}+2e^- \rightarrow Cu{(s)}" align="middle"/></td>
<td align="right">0.34</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Sn%5E%7B4%2B%7D+%7B%28aq%29%7D+%2B+4+e%5E-%5Crightarrow+%5Crm+Sn+%7B%28s%29%7D"alt="\rm Sn^{4+} {(aq)} + 4 e^-\rightarrow \rm Sn {(s)}"align="middle" /></td>
<td align="right">0.15</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+2H%5E%2B+%7B%28aq%29%7D+%2B+2+e%5E-%5Crightarrow+%5Crm+H_2+%7B%28g%29%7D"alt="\rm 2H^+ {(aq)} + 2 e^-\rightarrow \rm H_2 {(g)}"align="middle" /></td>
<td align="right">0</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Ni%5E%7B2%2B%7D%7B%28aq%29%7D%2B2e%5E-+%5Crightarrow+Ni%7B%28s%29%7D"alt="\rm Ni^{2+}{(aq)}+2e^- \rightarrow Ni{(s)}" align="middle"/></td>
<td align="right"><imgsrc="http://session.masteringchemistry.com/render?tex=-" alt="-"align="middle" />0.26</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Fe%5E%7B2%2B%7D%7B%28aq%29%7D%2B2e%5E-+%5Crightarrow+Fe%7B%28s%29%7D"alt="\rm Fe^{2+}{(aq)}+2e^- \rightarrow Fe{(s)}" align="middle"/></td>
<td align="right"><imgsrc="http://session.masteringchemistry.com/render?tex=-" alt="-"align="middle" />0.45</td>
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<td height="21"><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Zn%5E%7B2%2B%7D%7B%28aq%29%7D%2B2e%5E-+%5Crightarrow+Zn%7B%28s%29%7D"alt="\rm Zn^{2+}{(aq)}+2e^- \rightarrow Zn{(s)}" align="middle"/></td>
<td height="21" align="right"><imgsrc="http://session.masteringchemistry.com/render?tex=-" alt="-"align="middle" />0.76</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Al%5E%7B3%2B%7D+%7B%28aq%29%7D+%2B+3+e%5E-%5Crightarrow+%5Crm+Al+%7B%28s%29%7D"alt="\rm Al^{3+} {(aq)} + 3 e^-\rightarrow \rm Al {(s)}"align="middle" /></td>
<td align="right"><imgsrc="http://session.masteringchemistry.com/render?tex=-" alt="-"align="middle" />1.66</td>
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<td><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Mg%5E%7B2%2B%7D+%7B%28aq%29%7D+%2B+2+e%5E-%5Crightarrow+%5Crm+Mg+%7B%28s%29%7D"alt="\rm Mg^{2+} {(aq)} + 2 e^-\rightarrow \rm Mg {(s)}"align="middle" /></td>
<td align="right"><imgsrc="http://session.masteringchemistry.com/render?tex=-" alt="-"align="middle" />2.37</td>
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<p>A. Use the table of standard reduction potentials givenabove to calculate the equilibrium constant at standard temperature(25 <imgsrc="http://session.masteringchemistry.com/render?tex=%5E+%5Ccirc+%5Crm+C"alt="^ \circ \rm C" align="middle" />) for the followingreaction:</p>
<p><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+Fe%7B%28s%29%7D%2B+%5Crm+Ni%5E%7B2%2B%7D%7B%28aq%29%7D+%5Crightarrow+%5Crm+Fe%5E%7B2%2B%7D%7B%28aq%29%7D%2B+%5Crm+Ni+%7B%28s%29%7D"alt="\rm Fe{(s)}+ \rm Ni^{2+}{(aq)} \rightarrow \rm Fe^{2+}{(aq)}+\rm Ni {(s)}" align="middle" />&#160;</p>
<p>B. Calculate the standard cell potential (<imgsrc="http://session.masteringchemistry.com/render?tex=E%5E%5Ccirc"alt="E^\circ" align="middle" />) for thereaction</p>
<p><imgsrc="http://session.masteringchemistry.com/render?tex=%5Crm+X+%7B%28s%29%7D%2B+%5Crm+Y%5E%7B%2B%7D%7B%28aq%29%7D+%5Crightarrow+%5Crm+X%5E%7B%2B%7D%7B%28aq%29%7D%2B+%5Crm+Y+%7B%28s%29%7D"alt="\rm X {(s)}+ \rm Y^{+}{(aq)} \rightarrow \rm X^{+}{(aq)}+ \rmY {(s)}" align="middle" /></p>
<p>if <img title="K_1"src="http://session.masteringchemistry.com/render?tex=K" alt="K_1"align="middle" />&#160;=&#160;<spanstyle="white-space:nowrap;">7.52&#215;10^&#8722;3</span>.</p>