In Order for a Process to Be Spontaneous

question 54

Multiple Choice

In order for a process to be spontaneous,

• A)Δ H must be less than zero.
• B)Δ S must be greater than zero.
• C)Δ G must be greater than zero.
• D)it should be rapid.
• E)Δ S _sys + Δ S _surr must be greater than zero.

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Definitions:

Confound

To cause confusion by mixing up or failing to distinguish between different elements or variables.

Masked Variable

A variable that influences a study's outcome indirectly by affecting other variables, not easily identifiable.

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs or used to induce psychological benefits purely through belief.

Matched Pair

A study design element where subjects are paired based on specific characteristics, ensuring that each pair is as similar as possible except for the variable under investigation.