Examlex
In the following reaction,when 100.g of Br2 reacts,111 g of AlBr3 is formed.
2Al + 3 → 2
P-Q Segment
The portion of an electrocardiogram (ECG) trace between the end of the P wave and the start of the QRS complex, indicative of the time electrical impulse travels from the atria to the ventricles.
Standard Leads
Predetermined positions on the body where electrodes are placed for the purpose of recording an electrocardiogram (ECG).
Lab Exercise
A practical, hands-on activity or experiment carried out in a laboratory setting for educational purposes, often to explore scientific principles.
Ground
typically refers to the solid surface of the Earth, but in electrical contexts, it is a reference point in an electrical circuit from which voltages are measured.
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