A Voltaic Cell Is Made by Combining the Half-Reactions

question 49

Multiple Choice

A voltaic cell is made by combining the half-reactions:
Sn²⁺ + 2 e ^- →Sn E ° = +0.15 V Ag⁺ + e ^- →Ag E ° = +0.80 V Calculate the voltage of the cell at 298 K if [Sn²⁺] = 0.15 M and [Ag⁺] = 1.7 M.

• A) +0.65 V
• B) +0.65 -
• D) - 0.94 +
• E) - 0.94 -

---

Definitions:

Language Development

The process by which children come to understand and communicate language during early childhood.

Babbling

A stage of language acquisition where infants produce sounds or syllables repetitively, not yet forming recognizable words.

Metalinguistic Awareness

The ability to think about and reflect on the nature and functions of language.

Grammatical Errors

Mistakes made in the structure or use of language according to the rules of grammar.