H₂ and F₂ React According to the Following Equation,forming HF

question 89

Multiple Choice

H₂ and F₂ react according to the following equation,forming HF.
H₂(g) + F₂(g) → 2HF(g) ; ΔH° = -271 kJ
If H₂(g) and F₂(g) were mixed in a thermally insulated vessel,the reaction that occurred would be

• A)endothermic,and the temperature of the reaction system would fall.
• B)We could not tell unless the original and final temperatures were given.
• C)exothermic,and the temperature of the reaction system would fall.
• D)exothermic,and the temperature of the reaction system would rise.
• E)endothermic,and the temperature of the reaction system would rise.

---

Definitions:

Create A New Blank Database

The process of initiating a new database that contains no data or structure, allowing the user to start from scratch in building tables, queries, forms, etc.

Import An Existing Database

The process of bringing data from one database into another, enabling the integration or analysis of information from different sources.

Open An Existing Database

The action of accessing a database file that has already been created and stored on a storage medium.

Create A Database From A Template

The process of establishing a new database by using a pre-designed structure and format provided as a template.