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Complete the sentences from the reading above with your answers from Q3 (Q3. The following reaction is unbalanced. Balance this lithium-iodide battery redox reaction that was described in the reading. Show ALL steps: Li + I2 --> LiI )

Complete the sentences from the reading above with your answers from Q3 (Q3. The following reaction is unbalanced. Balance this lithium-iodide battery redox reaction that was described in the reading. Show ALL steps: Li + I2 --> LiI )

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Q4. Complete the sentences from the reading above with your answers from Q3 (Q3. The following reaction is unbalanced. Balance this lithium-iodide battery redox reaction that was described in the reading. Show ALL steps: Li + I2 --> LiI )

Choose from the following: reduced, oxidised, reducing agent, oxidising agent.

The lithium atom (Li) is                          to Li+ and acts as a(n)                           . The I2 molecule is                                to I- and acts as a(n)                              (4).

Chemical Connections 4C Artificial Pacemakers and Redox to Zn, and Hg is[ An artificial pacemaker is a small electrical device that The zine atom is [ uses electrical impulses, delivered by electrodes contacting Hg. Many contemporary artificial pacemakers contain a the heart muscles, to regulate the beating of the heart. The lithium-iodine battery, which has a longer battery life (10 primary purpose of a pacemaker is to maintain an adequate years or more). Consider the unbalanced redox reaction heart rate, either because the heart's native pacemaker for the lithium-iodine battery: does not beat fast enough, or perhaps there is a blockage in the heart's electrical conduction system. When a pacemaker detects that the heart is beating too slowly, it sends an elec- The lithium atom is to Li + I, Lil I to Li', and the I, molecule to I. When the pacemaker fails to sense a trical signal to the heart, generated via a redox reaction, so that the heart muscle beats faster. Modern pacemakers are heartbeat within a normal beat-to-beat time period, an externally programmable and allow a cardiologist to select electrical signal produced from these reactions is initi- the optimum pacing modes for individual patients. Early pacemakers generated an electrical impulse via and stimulating activity continues on a beat-by-beat ba- the following redox reaction: is ated, stimulating the ventricle of the heart. This sensing sis. More complex systems include the ability to stimulate Zn + Hg* Zn²* + Hg both the atrial and ventricular chambers. A pacemaker is a medical device that uses electrical impulses, delivered by electrodes contacting the heart muscles, to regulate the beating of the heart.
Transcribed Image Text:Chemical Connections 4C Artificial Pacemakers and Redox to Zn, and Hg is[ An artificial pacemaker is a small electrical device that The zine atom is [ uses electrical impulses, delivered by electrodes contacting Hg. Many contemporary artificial pacemakers contain a the heart muscles, to regulate the beating of the heart. The lithium-iodine battery, which has a longer battery life (10 primary purpose of a pacemaker is to maintain an adequate years or more). Consider the unbalanced redox reaction heart rate, either because the heart's native pacemaker for the lithium-iodine battery: does not beat fast enough, or perhaps there is a blockage in the heart's electrical conduction system. When a pacemaker detects that the heart is beating too slowly, it sends an elec- The lithium atom is to Li + I, Lil I to Li', and the I, molecule to I. When the pacemaker fails to sense a trical signal to the heart, generated via a redox reaction, so that the heart muscle beats faster. Modern pacemakers are heartbeat within a normal beat-to-beat time period, an externally programmable and allow a cardiologist to select electrical signal produced from these reactions is initi- the optimum pacing modes for individual patients. Early pacemakers generated an electrical impulse via and stimulating activity continues on a beat-by-beat ba- the following redox reaction: is ated, stimulating the ventricle of the heart. This sensing sis. More complex systems include the ability to stimulate Zn + Hg* Zn²* + Hg both the atrial and ventricular chambers. A pacemaker is a medical device that uses electrical impulses, delivered by electrodes contacting the heart muscles, to regulate the beating of the heart.
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