Determine Which of the Following Pairs of Reactants Will Result

question 7

Multiple Choice

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

• A)I^-(aq)+ Zn²⁺(aq)
• B)Ca(s)+ Mg²⁺(aq)
• C)H₂(g)+ Cd²⁺(aq)
• D)Ag(s)+ Sn²⁺(aq)
• E)All of the above pairs will react.

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Definitions:

Compounded Semiannually

Interest calculation method where the interest is added to the principal sum every six months, thereby earning interest on interest.

Promissory Note

A financial instrument in which one party (the maker) promises in writing to pay a determinate sum of money to the other (the payee), either at a fixed or determinable future time or on demand.

Missing Interest Rate

The not specified or unidentified rate of interest in a financial context.

Real Compound Rate of Return

The annual rate of return on an investment, adjusted for inflation, that compounds over time.