When Phosphorus Reacts with Chlorine, Phosphorus Trichloride Is Formed According

question 18

Multiple Choice

When phosphorus reacts with chlorine, phosphorus trichloride is formed according to the following equation: ___P₄(s) + ___Cl₂(g) → ___PCl₃(l) (unbalanced) Balance the equation and determine how many grams of chlorine would be required to react with 21.2 g of phosphorus.

• A)12.1 g
• B)48.6 g
• C)37.0 g
• D)148 g
• E)72.8 g

---

Definitions:

Net Income

The net income of a company once all costs and taxes are subtracted from its revenues.

Internal Rate

Internal rate, likely referring to the internal rate of return (IRR), is a financial metric used to evaluate the profitability of potential investments, representing the discount rate that makes the net present value (NPV) of all cash flows equal to zero.

Accounting Break-Even

The point at which total revenues equal total expenses, resulting in no net loss or gain for a business.

PI

An irrational number approximately equal to 3.14159, representing the ratio of a circle's circumference to its diameter. If intended as "Profitability Index," then it is a financial metric used to assess the attractiveness of an investment's potential return compared to its cost.