E0 = E0R-E0(H/H2) = E0R. When a standard electrode potential is measured the electrode is connected to the positive terminal of the voltmeter and the standard hydrogen electrode is connected to the negative terminal of the voltmeter.hen a standard electrode potential is measured the electrode is connected to the positive terminal of the voltmeter and the standard hydrogen electrode is connected to the negative terminal of the voltmeter.
Cat plays a trick on Sam with twins so Sam gets revenge by using her twin, Melanie to come to Los Angeles to trick Cat. Read more... Cat Valentine is a main character in Sam & Cat portrayed by Ariana Grande. Caterina Cat Valentine is one of the title characters of Sam & Cat alongside, Sam Puckett. She is a continued character from Victorious.
Sam & Cat Canceled: Nickelodeon Show Starred Ariana Grande & Jennette McCurdy. Sam & Cat are going their separate ways. A Nickelodeon rep confirmed to E! News on Sunday, July 13, that the cable network will not produce new episodes of Sam & Cat, which is about to finish its debut season. The Victorious and iCarly spinoff stars chart-topping Problem singer and pop star Ariana Grande as Cat Valentine and Jennette McCurdy as Sam Puckett.