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What is the electrophile in the Friedel-Crafts alkylation reaction with tert-butylchloride?
Pulse Volume
A measure of the blood flow in an extremity, often used to assess circulation and the health of the vascular system.
Strain Gauge
A device used to measure the amount of deformation or strain in an object when a force is applied.
Balance Beam
A gymnastics apparatus used especially by women gymnasts, consisting of a narrow beam on which athletes perform exercises requiring balance.
Spring Scale
A device used to measure weight or force by the elasticity of a spring.
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