The Value of ΔH° for the Formation of POCl₃ from Its

question 64

Multiple Choice

The value of ΔH° for the formation of POCl₃ from its constituent elements, P₂ (g) + O₂ (g) + 3Cl₂ (g) → 2POCl₃ (g)
Is ________ kJ/mol.

• A)-1228.7
• B)-397.7
• C)-686.5
• D)+1228.7
• E)+686.5

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Definitions:

Knee Braces

Supportive devices worn to protect or assist the knees, often used after injuries or for preventive measures in sports.

Perfectly Elastic

describes a situation where a small change in price results in an infinite amount of change in the quantity demanded or supplied.

Supply Curve

A graphical representation showing the relationship between the price of a good and the quantity of the good that suppliers are willing to offer for sale at that price.

Price Elasticity

Price elasticity measures how much the quantity demanded or supplied of a good changes in response to a change in its price.