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Answer: One of the half-reactions for the electrolysis of

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 18.51 Chapter 18

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 18.51

One of the half-reactions for the electrolysis of water is 2H2O (l) O2(g) 1 4H1(aq) 1 4e2 If 0.076 L of O2 is collected at 25C and 755 mmHg,how many moles of electrons had to pass through thesolution?

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1-30-17 Chapter 1+2 Monday, January 30, 2017 9:15 AM Specific Heat: - Physical property - Deals with energy and temperature Temperature: - An indicator of heat - We measure temperaturewith 3 different scales: ○ Fahrenheit (which is ignored in this class) ○ Celsius ○ Kelvin  Difference between Celsius and Kelvin: What we set as the freezing point and boiling point of water  0 K is absolute zero - where all molecularmotion stops - Freezing point of water: ○ 0 degrees C ○ 273 K - Boiling point of water: ○ 100 degrees C ○ 373 K Temperatureand significant figures: - In temperature,trailing zeros without a decimal point are considered significant ○ This is true for temperature only - If temperatureis an indicator of heat, it's really an indicator of energy, because heat is a form of energy Energy - The capacity to do work or to supply heat - One form of energy is heat, another form of energy is light ○ The indicator of this heat is temperature - Energy can be measured in units of calories (cal) ○ A calorie is the amount of heat it takes to raise the temperatureof 1 gram of water by 1 degree C Specific heat (SH) - The amount of heat (calories) it takes to raise the temperature of 1 gram of any substance by 1 degree C - Units: ○ SH=cal/(g)(C ) - SH= the amount of energy divided by the mass of the substance in grams times the change of temperaturein degree C ○ Equat

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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Answer: One of the half-reactions for the electrolysis of