Balance the Equation
BaCl₂(aq) + H₂SO₄(aq) $\rightarrow$ BaSO₄(s) + HCl(aq)

question 56

Essay

Balance the equation
BaCl₂(aq) + H₂SO₄(aq) $\rightarrow$ BaSO₄(s) + HCl(aq)

---

Definitions:

Conditional Stimulus

In classical conditioning, a previously neutral stimulus that, after being paired with an unconditioned stimulus, evokes a conditioned response.

Reaching and Grasping

The coordinated movement milestones that allow an infant to extend their arm towards an object and use their fingers and hand to hold it, essential for developing fine motor skills.

Involuntary Developmental

Growth or changes that occur without conscious control or decision, often biological or physiological processes.

Sensorimotor Period

A stage of development in Piaget's theory, occurring from birth to approximately 2 years of age, where infants learn about their world through their senses and motor activities.