https://peda.net/id/da0231da682 2020-03-17T10:54:03+02:00 https://peda.net/:static/537/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/dc0713266da 2020-03-24T10:52:58+02:00 2020-03-24T10:52:57+02:00 https://peda.net/id/d9ed5bfe683 2020-03-17T11:51:19+02:00 2.22<br/> <img src="https://math-demo.abitti.fi/math.svg?latex=Zn%5Cleft(s%5Cright)%5Ctext%7B%7C%7DZn%5E%7B2%2B%7D%5Cleft(aq%5Cright)%5Ctext%7B%7C%7C%7DAg%5E%2B%5Cleft(aq%5Cright)%5Ctext%7B%7C%7DAg%5Cleft(s%5Cright)" alt="Zn\left(s\right)\text{|}Zn^{2+}\left(aq\right)\text{||}Ag^+\left(aq\right)\text{|}Ag\left(s\right)"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=Zn%5Cleft(s%5Cright)%2B2Ag%5E%2B%5Cleft(aq%5Cright)%5Crightarrow%20Zn%5E%7B2%2B%7D%5Cleft(aq%5Cright)%2BAg%5Cleft(s%5Cright)" alt="Zn\left(s\right)+2Ag^+\left(aq\right)\rightarrow Zn^{2+}\left(aq\right)+Ag\left(s\right)"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=0%7B%2C%7D76V%2B2%5Ccdot0%7B%2C%7D8V%3D2%7B%2C%7D36V" alt="0{,}76V+2\cdot0{,}8V=2{,}36V"/> <br/> <br/> 2.23<br/> a) positiivinen kohtio on kupari, sillä se on jalompi ja se pelkistyy<br/> b) elektronit liikkuvat nikkelistä kupariin ulkoista johdinta pitkin<br/> c) <br/> <img src="https://math-demo.abitti.fi/math.svg?latex=Ni%5Cleft(s%5Cright)%5Crightarrow%20Ni%5E%7B2%2B%7D%5Cleft(aq%5Cright)%2B2e%5E-" alt="Ni\left(s\right)\rightarrow Ni^{2+}\left(aq\right)+2e^-"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=Cu%5E%7B2%2B%7D%5Cleft(aq%5Cright)%2B2e%5E-%5Crightarrow%20Cu%5Cleft(s%5Cright)" alt="Cu^{2+}\left(aq\right)+2e^-\rightarrow Cu\left(s\right)"/><br/> d) || tarkoittaa suolasiltaa<br/> <br/> 2.24<br/> a)<br/> <img src="https://math-demo.abitti.fi/math.svg?latex=HgO%5Cleft(s%5Cright)%2BZn%5Cleft(s%5Cright)%5Crightarrow%20ZnO%5Cleft(s%5Cright)%2BHg%5Cleft(l%5Cright)" alt="HgO\left(s\right)+Zn\left(s\right)\rightarrow ZnO\left(s\right)+Hg\left(l\right)"/><br/> b)<br/> 1,25V<br/> <br/> 2.27<br/> <div><img src="https://math-demo.abitti.fi/math.svg?latex=ZnSO_4%5C%20ja%5C%20AgNO_3" alt="ZnSO_4\ ja\ AgNO_3"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=AgNO_3%5Cleft(aq%5Cright)%5Ctext%7B%7C%7DAg%5E%2B%5Cleft(s%5Cright)%2BNO_3%5E-%5Cleft(aq%5Cright)%5Ctext%7B%7C%7C%7DZn%5E%7B2%2B%7D%5Cleft(s%5Cright)%2BSO_4%5E%7B2-%7D%5Cleft(aq%5Cright)%5Ctext%7B%7C%7DZnSO_4%5Cleft(aq%5Cright)" alt="AgNO_3\left(aq\right)\text{|}Ag^+\left(s\right)+NO_3^-\left(aq\right)\text{||}Zn^{2+}\left(s\right)+SO_4^{2-}\left(aq\right)\text{|}ZnSO_4\left(aq\right)"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=-0%7B%2C%7D76V%2B2%7B%2C%7D01V-0%7B%2C%7D8V%2B0%7B%2C%7D8V%3D1%7B%2C%7D25V" alt="-0{,}76V+2{,}01V-0{,}8V+0{,}8V=1{,}25V"/></div> 2020-03-17T11:51:19+02:00