Given: C₂H₂(g) $\rightarrow$ 2C(graphite) + H₂(g) $\Delta$ G $\degree$ = -209 KJ
a Sample of Gaseous C₂H₂ (Acetylene, or -209

question 12

Essay

Given: C₂H₂(g) $\rightarrow$ 2C(graphite) + H₂(g), $\Delta$ G $\degree$ = -209 kJ
A sample of gaseous C₂H₂ (acetylene, or ethyne) was stored for one year, yet at the end of this period, the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of $\Delta$ G $\degree$ and the apparent stability of the sample.

Understand the principles involved in formulating scientific laws and theories.

Explain the significance of matter, its states, and properties in environmental science.

Realize the impact of human activities on environmental systems and the concept of delay in environmental responses.

Understand the pH scale and the concentration of H+ ions in solutions.

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Definitions:

Representativeness Heuristic

A cognitive bias in decision making where the likelihood of an event is estimated based on how closely it resembles the typical case.

Thinking Strategy

Techniques or methods applied to solve problems, make decisions, or generate creative ideas more effectively.

Existing Prototype

A preliminary model of something from which other forms are developed or copied.

Availability Heuristic

A cognitive bias that causes people to overestimate the likelihood of events based on their availability in memory, making them seem more common or frequent than they are.