Balance the Equation
Fe(NO₃)₂(aq) + H₂S(g) $\rightarrow$ FeS(s) + HNO₃(aq)

question 53

Essay

Balance the equation
Fe(NO₃)₂(aq) + H₂S(g) $\rightarrow$ FeS(s) + HNO₃(aq)

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Definitions:

Rectal Examinations

A physical examination in which a doctor or nurse inserts a finger into the rectum to check for abnormalities of organs or other structures in the pelvis or abdomen.

Lung Expansion

The process of the lungs increasing in volume during inhalation, important for gas exchange.

Sitting Position

A posture where the upper body is upright and supported, with the buttocks resting on a chair or surface.

Fowler's Position

A semi-sitting posture in medical care with the head of the bed raised 45 to 60 degrees, used to improve breathing and for patients with certain medical conditions.