{"id":559,"date":"2020-04-27T15:19:22","date_gmt":"2020-04-27T13:19:22","guid":{"rendered":"https:\/\/feb.ch.bme.hu\/?page_id=559"},"modified":"2020-04-27T15:19:22","modified_gmt":"2020-04-27T13:19:22","slug":"elektrokemia-kozepszintu-erettsegi-feladatok","status":"publish","type":"page","link":"https:\/\/feb.ch.bme.hu\/index.php\/szakmai-napok\/elektrokemia\/elektrokemia-kozepszintu-erettsegi-feladatok\/","title":{"rendered":"Elektrok\u00e9mia – K\u00f6z\u00e9pszint\u0171 \u00e9retts\u00e9gi feladatok"},"content":{"rendered":"

Elektrok\u00e9mia – K\u00f6z\u00e9pszint\u0171 \u00e9retts\u00e9gi feladatok<\/h2>\n

Vissza az elektrok\u00e9mia t\u00e9mak\u00f6rre!<\/a><\/p>\n

5\/k-1<\/strong> (2008. m\u00e1jus 5. feladat B)<\/p>\n

292,0 g 25,0 t\u00f6meg%-os s\u00f3savat elektroliz\u00e1lunk. A kat\u00f3don 12,25 dm3<\/sup> 25 \u00baC-os, standard nyom\u00e1s\u00fa g\u00e1z keletkezett. Ar(H) = 1,0; Ar(Cl) = 35,5<\/p>\n

a) \u00cdrja fel az elektr\u00f3dfolyamatok reakci\u00f3egyenlet\u00e9t!
\n<\/strong>b) H\u00e1ny gramm \u00e9s h\u00e1ny m\u00f3l s\u00f3savat tartalmazott az oldat az elektrol\u00edzis megkezd\u00e9se el\u0151tt?
\n<\/strong>c) Mekkora anyagmennyis\u00e9g\u0171 g\u00e1z keletkezett a kat\u00f3don \u00e9s az an\u00f3don?
\n<\/strong>d) Sz\u00e1m\u00edtsa ki az oldat t\u00f6megcs\u00f6kken\u00e9s\u00e9t!
\n<\/strong>e) Sz\u00e1m\u00edt\u00e1ssal hat\u00e1rozza meg a keletkez\u0151 oldat t\u00f6meg\u00e9t \u00e9s t\u00f6megsz\u00e1zal\u00e9kos \u00f6sszet\u00e9tel\u00e9t!<\/strong><\/p>\n

 <\/p>\n

5\/k-2<\/strong> (2010. m\u00e1jus 4. feladat B)<\/p>\n

A szert\u00e1r polc\u00e1n 50,00 g 30,00 t\u00f6meg%-os CuSO4<\/sub>– \u00e9s 50,00 g 30,00 t\u00f6meg%-os NiSO4<\/sub>-oldat tal\u00e1lhat\u00f3.<\/p>\n

Ar(H) = 1,000, Ar(O) = 16,00, Ar(S) = 32,10, Ar(Ni) = 58,70, Ar(Cu) = 63,50
\n\u03b5\u00b0( Cu2+<\/sup>\/Cu) = 0,340 V, \u03b5\u00b0( Ni2+<\/sup>\/Ni) = \u20130,257 V<\/p>\n

a) H\u00e1ny cm3<\/sup> 1,00 mol\/dm3<\/sup> koncentr\u00e1ci\u00f3j\u00fa r\u00e9z(II)-szulf\u00e1t-, illetve nikkel(II)-szulf\u00e1toldatot k\u00e9sz\u00edthet\u00fcnk a szert\u00e1rban tal\u00e1lt k\u00e9t oldatb\u00f3l?
\n<\/strong>b) Az elk\u00e9sz\u00edtett k\u00e9t oldatot galv\u00e1nelemm\u00e9 kapcsoljuk \u00f6ssze a megfelel\u0151 f\u00e9melektr\u00f3dok haszn\u00e1lat\u00e1val. \u00cdrja fel a kat\u00f3d- \u00e9s az an\u00f3dfolyamat reakci\u00f3egyenlet\u00e9t!
\n<\/strong>c) Mennyi az \u00edgy k\u00e9sz\u00edtett galv\u00e1nelem elektromotoros ereje?<\/strong><\/p>\n

 <\/p>\n

Vissza az elektrok\u00e9mia t\u00e9mak\u00f6rre!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Elektrok\u00e9mia – K\u00f6z\u00e9pszint\u0171 \u00e9retts\u00e9gi feladatok Vissza az elektrok\u00e9mia t\u00e9mak\u00f6rre! 5\/k-1 (2008. m\u00e1jus 5. feladat B) 292,0 g 25,0 t\u00f6meg%-os s\u00f3savat elektroliz\u00e1lunk. A kat\u00f3don 12,25 dm3 25 \u00baC-os, standard nyom\u00e1s\u00fa g\u00e1z keletkezett. Ar(H) = 1,0; Ar(Cl) = 35,5 a) \u00cdrja fel az elektr\u00f3dfolyamatok reakci\u00f3egyenlet\u00e9t! b) H\u00e1ny gramm \u00e9s h\u00e1ny m\u00f3l s\u00f3savat tartalmazott az oldat az elektrol\u00edzis megkezd\u00e9se el\u0151tt? c) Mekkora anyagmennyis\u00e9g\u0171 g\u00e1z keletkezett a kat\u00f3don \u00e9s az an\u00f3don? d) Sz\u00e1m\u00edtsa ki az oldat t\u00f6megcs\u00f6kken\u00e9s\u00e9t! e) Sz\u00e1m\u00edt\u00e1ssal hat\u00e1rozza meg a keletkez\u0151 oldat t\u00f6meg\u00e9t \u00e9s t\u00f6megsz\u00e1zal\u00e9kos \u00f6sszet\u00e9tel\u00e9t!   5\/k-2 (2010. m\u00e1jus 4. feladat B) A szert\u00e1r polc\u00e1n 50,00 g 30,00 t\u00f6meg%-os CuSO4– \u00e9s 50,00 g 30,00 t\u00f6meg%-os NiSO4-oldat tal\u00e1lhat\u00f3. Ar(H) = 1,000, Ar(O) = 16,00, Ar(S) = 32,10, Ar(Ni) = 58,70, Ar(Cu) = 63,50 \u03b5\u00b0( Cu2+\/Cu) = 0,340 V, \u03b5\u00b0( Ni2+\/Ni) = \u20130,257 V a) H\u00e1ny cm3 1,00 mol\/dm3 koncentr\u00e1ci\u00f3j\u00fa r\u00e9z(II)-szulf\u00e1t-, illetve nikkel(II)-szulf\u00e1toldatot k\u00e9sz\u00edthet\u00fcnk a szert\u00e1rban tal\u00e1lt k\u00e9t oldatb\u00f3l? b) Az elk\u00e9sz\u00edtett k\u00e9t…<\/p>\n

B\u0151vebben<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":300,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-559","page","type-page","status-publish"],"featured_image_src":null,"featured_image_src_square":null,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/comments?post=559"}],"version-history":[{"count":1,"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/559\/revisions"}],"predecessor-version":[{"id":560,"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/559\/revisions\/560"}],"up":[{"embeddable":true,"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/300"}],"wp:attachment":[{"href":"https:\/\/feb.ch.bme.hu\/index.php\/wp-json\/wp\/v2\/media?parent=559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}