What Are the Two Half Reactions That Show How Many

question 90

Multiple Choice

What are the two half reactions that show how many electrons are gained or lost by each species in the reaction: Ni²⁺(aq) + Mg(s) → Ni(s) + Mg²⁺(aq) ?

• A)Ni²⁺(aq)+ e^- → Ni(s)and Mg(s)→ Mg²⁺(aq)+ e^-
• B)Ni²⁺(aq)+ 2 e^- → Ni(s)and Mg(s)→ Mg²⁺(aq)+ 2 e^-
• C)Ni²⁺(aq)→ Ni(s)+ 2 e^- and Mg(s)+ 2 e^- → Mg²⁺(aq)
• D)Ni²⁺(aq)→ Ni(s)+ e^- and Mg(s)+ e^- → Mg²⁺(aq)
• E)Ni²⁺(aq)+ 2 e^- → Ni(s)and Mg(s)+ 2 e^- → Mg²⁺(aq)

Understand the impact of WWI on U.S. society, including changes in immigration policy, societal reactions to ethnic groups, and the shaping of national policies and ideologies.

Understand the concept of long-run equilibrium in monopolistically competitive markets.

Identify the characteristics and inefficiencies of monopolistic competition.

Describe the process and consequences of market entry and exit in the short and long run.

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Definitions:

Perspective

A monocular cue for depth based on the convergence (coming together) of parallel lines as they recede into the distance.

Weber's Constant

A principle in psychophysics that quantifies the smallest change in a stimulus that can be detected, stating that this change is a constant proportion of the original stimulus intensity.

Threshold

The point at which a stimulus is strong enough to be detected or to cause a response.

Difference Threshold

The smallest detectable difference between two stimuli or the minimum change in a stimulus that can be correctly perceived as differing from a reference stimulus.