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A 9.00 3 102 -mL 0.200 M MgI2 was electrolyzed. As a

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

Solution for problem 18.133 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 18.133

A 9.00 3 102 -mL 0.200 M MgI2 was electrolyzed. As a result, hydrogen gas was generated at the cathode and iodine was formed at the anode. The volume of hydrogen collected at 26C and 779 mmHg was 1.22 3 103 mL. (a) Calculate the charge in coulombs consumed in the process. (b) How long (in min) did the electrolysis last if a current of 7.55 A was used? (c) A white precipitate was formed in the process. What was it and what was its mass in grams? Assume the volume of the solution was constant.

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GEOL 207 Environmental Geology More Atmosphere Stuff!! - Albedo  reflection of light on earth. o Clouds  - Air and atmosphere in a system o Circular system (atmosphere)  Much faster than other circular systems such as plate tectonics. - CIRCULAR SYSTEMS (air) o Energy comes from the sun o Buoyancy  The ability or tendency to float in water or air or some other fluid.  Factors  Pressure  Volume  Temperature  If factor (variable) is constant, you can omit it from the equation - Lateral Movement o Sideways movement  Wind travels from high pressure  to low pressure  Air follow pressure gradients - ITCZ  Inter tropical convergence zone o Is the area encircling the earth near the equator where the northeast and southeast trade winds come together o o Coriolis Effect  An effect whereby a mass moving in a rotating system experiences a force (the Coriolis force) acting perpendicular to the direction of motion and to the axis of rotation. On the earth, the effect tends to deflect moving objects to the right in the northern hemisphere and to the left in the southern and is important in the formation of cyclo

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

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A 9.00 3 102 -mL 0.200 M MgI2 was electrolyzed. As a