Complete the sentences from the reading above with your answers from Q5 (Q5. The following fictitious unbalanced Redox reaction is made using some of the 1001GRC teachers’ initials and oxygen. Show ALL steps that were involved in balancing this equation: ChO3- + Sh → Ch- + Sh2+ (acidic solution) ) Choose from the following: reduced, oxidised, reducing agent, oxidising agent. The Ch is to Ch- and acts as a(n) . Sh is to Sh2+ and acts as a(n)
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Q6. Complete the sentences from the reading above with your answers from Q5 (Q5. The following fictitious unbalanced
Choose from the following: reduced, oxidised, reducing agent, oxidising agent.
The Ch is to Ch- and acts as a(n) . Sh is to Sh2+ 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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc28e388-4bf9-4d58-b996-97129c20762c%2F0c454ce8-e126-4852-842b-0177a835cbb1%2Fq44e9f_processed.jpeg&w=3840&q=75)
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