**Kinetics and Equilibrium****Understanding that no reaction goes to 100% completion**Phosphorus pentachloride reacts to form phosphorus trichloride and chlorine, like this:\[ \text{PCl}_5(g) \rightarrow \text{PCl}_3(g) + \text{Cl}_2(g) \]Use this chemical equation to answer the questions in the table below.---1. **Question**: Suppose 155. mmol of \(\text{PCl}_5\) are added to an empty flask. How much \(\text{PCl}_5\) will be in the flask at equilibrium? - None. - Some, but less than 155 mmol. - 155 mmol. - More than 155 mmol. **Correct Answer**: Some, but less than 155 mmol.2. **Question**: Suppose 215. mmol of \(\text{PCl}_5\) and 215. mmol of \(\text{Cl}_2\) are added to an empty flask. How much \(\text{PCl}_3\) will be in the flask at equilibrium? - None. - Some, but less than 215 mmol. - 215 mmol. - More than 215 mmol. **Correct Answer**: Some, but less than 215 mmol.---**Explanation**: This exercise highlights that chemical reactions reach an equilibrium state where reactants and products coexist. Not all reactants convert to products, and the amounts present at equilibrium depend on the reaction conditions and equilibrium constant.

Answered: Image /qna-images/answer/6e1124da-3a2b-4f0b-b520-ee42cfe57770.jpg

Phosphorus pentachloride reacts to form phosphorus trichloride and chlorine, like this: PCI5(g) → PCI3(g)+Cl,(g) Use this chemical equation to answer the questions in the table below. . O None. Suppose 155. mmol of PCl, are added to an empty flask. How much O Some, but less than 155. mmol. PCI, will be in the flask at 155. mmol. equilibrium? More than 155. mmol. Suppose 215. mmol of PCl, and O None. 215. mmol of Cl, are added to an O Some, but less than 215. mmol. 215. mmol. empty flask. How much PCI, will be in the flask at equilibrium? O More than 215. mmol.

Phosphorus pentachloride reacts to form phosphorus trichloride and chlorine, like this: PCI5(g) → PCI3(g)+Cl,(g) Use this chemical equation to answer the questions in the table below. . O None. Suppose 155. mmol of PCl, are added to an empty flask. How much O Some, but less than 155. mmol. PCI, will be in the flask at 155. mmol. equilibrium? More than 155. mmol. Suppose 215. mmol of PCl, and O None. 215. mmol of Cl, are added to an O Some, but less than 215. mmol. 215. mmol. empty flask. How much PCI, will be in the flask at equilibrium? O More than 215. mmol.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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