An Example of a Spontaneous Process Having $\Delta$ H ~ 0 Is
A) 1 L He(1 Atm, 298

question 182

Multiple Choice

An example of a spontaneous process having $\Delta$ H ~ 0 is

• A) 1 L He(1 atm, 298 K) + 1 L Ar(1 atm, 298 K) \(\rightarrow\) 2 L He/Ar mixture(1 atm, 298 K).
• B) evaporation of water at 100^\(\omicron\)C and 1 atm.
• C) a ball rolling from the top of a hill to the bottom of a valley.
• D) precipitation of AgBr(s) from a solution of Ag⁺(aq) and Br^-(aq).
• E) freezing of water at -^\(\omicron\)C.

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Definitions:

Venn Diagram

A graphical representation for showing symbolically the sample space and operations involving events in which the sample space is represented by a rectangle and events are represented as circles within the sample space.

Conditional Probability (P(B))

The probability of an event (B) occurring given that another event (A) has already occurred.

Posterior Probabilities

The revised probabilities of scenarios or hypotheses being true, adjusted after taking into account new evidence or information.

Conditional Probabilities

The probability of an event occurring given that another event has already occurred.