The Reaction SiO₂(s) + Pb(s) $\rarr$ PbO₂(s) + Si(s) Is Spontaneous $\Delta$

question 107

True/False

The reaction SiO₂(s) + Pb(s) $\rarr$ PbO₂(s) + Si(s) is spontaneous.
$\Delta$ G ^$\circ$ _f (PbO₂) = -217 kJ/mol
$\Delta$ G ^$\circ$ _f (SiO₂) = -856 kJ/mol

---

Definitions:

Masking

A method in perceptual research where a visual stimulus is made less visible to the observer by the presence of another stimulus, hindering the ability to perceive or process the first stimulus.

Memory Recall

The process of retrieving information stored in long-term memory, bringing it into conscious awareness.

Fluid Intelligence

The capacity to solve novel problems, use logic in new situations, and identify patterns.

Working Memory Capacity

The amount of information that can be held and manipulated in working memory at one time, which plays a critical role in comprehension, learning, and reasoning.