In a Simple Equilibrium a + B $\leftrightarrows$ C, Will There Be Any Stress to the System If

question 6

Multiple Choice

In a simple equilibrium A + B $\leftrightarrows$ C, will there be any stress to the system if both B and C are added to the equilibrium system simultaneously and in the same amount?

• A) No, these two stresses will always cancel each other out.
• B) No, these two stresses will cancel each other out unless the initial concentrations of B and C are also the same.
• C) Yes, the same amount of A is also required for the stresses to cancel each other out.
• D) Yes, unless the initial concentrations of B and C are also the same.
• E) More than two of the above statements are correct.

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Definitions:

Dark Minerals

Minerals rich in magnesium and/or iron that tend to have a darker color, common in mafic rocks like basalt and gabbro.

Geologic Timescale

A system of chronological measurement that relates stratigraphy to time, used by geologists to describe the timing and relationships of events in Earth history.

Mesozoic

The geological era that lasted from about 252 to 66 million years ago, including the time of dinosaurs and the break-up of Pangaea.

Disconformity

A type of unconformity in the geologic record that represents a period of erosion or non-deposition between layers of sedimentary rock, where the rock layers are parallel but there is a noticeable gap in the geological time recorded.