Question

Consider the univariant metamorphic reaction Albite = Jadeite + Quartz. The minimum number of chemical components required to describe the composition of all the phases is _________ . (In integer)

Answer 1

Correct Answer: 2

Determining the Minimum Number of Chemical Components in a Univariant Reaction 

Step 1: Understand the Reaction

The reaction given is:

\[ \text{Albite} = \text{Jadeite} + \text{Quartz} \]

Where:

• Albite is NaAlSi₃O₈ (Sodium Aluminum Silicate)
• Jadeite is NaAlSi₂O₆ (Sodium Aluminum Silicate)
• Quartz is SiO₂ (Silicon Dioxide)

Step 2: Identifying the Chemical Components

The chemical components involved in this equilibrium are:

• NaO (Sodium oxide)
• SiO (Silicon dioxide)

Step 3: Minimum Number of Components

These two components, **NaO** and **SiO**, are sufficient to describe the composition of all the phases in this reaction. Therefore, the minimum number of chemical components required to describe the composition of all phases is:

\[ \boxed{2} \]

Final Answer:

The minimum number of chemical components required to describe the composition of all phases in this reaction is 2.