Determine Which of the Following Pairs of Reactants Will Result

question 102

Multiple Choice

Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 °C.

• A)Pb²⁺(aq)+ Cu(s); if E°(Pb²⁺/Pb)= -0.13V and E°(Cu²⁺/Cu)= +0.16V
• B)Ag⁺(aq)+ Br^- (aq); if E°(Ag⁺/Ag)= 0.80V and E°(Br₂/Br^-)= +1.09V
• C)Li⁺(aq)+ Al(s); if E°(Li⁺/Li)= -3.04V and E°(Al³⁺/Al)= -1.66V
• D)Fe³⁺(aq)+ Ni(s); if E°(Fe³⁺/Fe)= -0.04V and E°(Ni²⁺/Ni)= -0.23V
• E)Cd²⁺(aq)+ I^-(aq); if E°(Cd²⁺/Cd)= -0.40V and E°(I₂/I^-)= + 0.54V

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Definitions:

Sexual Harassment

Unwelcome sexual advances, requests for sexual favors, and other verbal or physical harassment of a sexual nature.

Illusory Correlation

The perception of a relationship between two variables when no such relationship exists or the perception is stronger than the actual relationship.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation and observation.

Casual Impressions

Refers to the informal and intuitive judgments we make about others.