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 Puckett. Samantha Sam Puckett (born April 17, 1994, age 21) is a character and the main antagonist from the Nickelodeon sitcom iCarly. She is Carly Shay's best friend. Sam was played by Jennette McCurdy, and debuted in iPilot.