How Much Energy Would Be Released If 2

question 20

Multiple Choice

How much energy would be released if 2.0 kg of material was lost during a reaction? (c = 3.0 × 10⁸ m/s)

• A)1.8 × 10¹⁷ J
• B)1.5 × 10¹⁶ J
• C)6.0 × 10⁸ J
• D)4.7 × 10^-8 J

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Definitions:

SA Node

Sinoatrial node, the heart’s natural pacemaker, located in the right atrium, responsible for setting the rate of heart beats by sending out electrical impulses.

Asystole

A state of no cardiac electrical activity, leading to a lack of contraction of the heart and cessation of blood flow; essentially, cardiac arrest.

Pacemaker

An electronic device that is implanted in the body to regulate the heartbeat by delivering electrical impulses to the heart muscle.

AV Node

The Atrioventricular Node, a part of the cardiac conduction system that delays the transmission of electrical impulses from the atria to the ventricles.