The Enthalpy Change at 1 Atm of Which Reaction Corresponds

question 48

Multiple Choice

The enthalpy change at 1 atm of which reaction corresponds to the standard enthalpy of formation of solid calcium nitrate,Ca(NO₃) ₂?

• A)Ca²⁺(g)+ 2NO₃^-(g)→ Ca(NO₃)₂(s)
• B)Ca(s)+ N₂(g)+ 3O₂(g)→ Ca(NO₃)₂(s)
• C)Ca(g)+ 2N(g)+ 6O(g)→ Ca(NO₃)₂(s)
• D)Ca(s)+ N₂(g)+ 2O₃(g)→ Ca(NO₃)₂(s)
• E)Ca²⁺(aq)+ 2NO₃^-(aq)→ Ca(NO₃)₂(s)

---

Definitions:

Appeals

The process by which cases are reviewed, with parties requesting a formal change to an official decision.

Full Court

The term used to refer to all the judges of a certain court sitting together to hear a case, as opposed to a smaller panel of judges.

Federal Appeals Courts

Courts in the United States judicial system that review decisions made by lower courts, including district courts, and are responsible for resolving appeals and legal disputes.

Lower Court Cases

Legal disputes and decisions that are handled in courts with limited jurisdiction, such as municipal or district courts.