The Half-Life of 134Ba Is 28

question 29

Multiple Choice

The half-life of 134Ba is 28.7 hours. How much of a 11.2 g sample of 134Ba will be left after 24.00 hours? Round to the nearest hundredth of a gram.

• A)12.55 g
• B)4.70 g
• C)6.27 g
• D)20.00 g
• E)8.71 g

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Definitions:

Resistance Training

A form of physical activity that involves working against a force or weight to strengthen and build muscle.

Formal Exercise Program

A structured regimen of physical activities designed to achieve specific fitness goals, which may include instructor-led gym sessions or classes.

Daily Living

The activities that people perform every day without assistance, including eating, bathing, dressing, and mobility.

Resistive Isometric

Exercises where muscles contract without any visible movement in the angle of the joint, often used to improve strength and stability.