Pre-Lab Questions 1. Collision theory states that the rate of a reaction depends

Question

Pre-Lab Questions 1. Collision theory states that the rate of a reaction depends on t he number of collisions between molecules or ions, the average energy of the collisions, and their effectiveness. Does th effect of concentration on reaction rate support the collision theory? Explain. e general 2. The reaction of solid calcium carbonate with hydrochloric acid is a heterogeneous rate law for this reaction will have the following form: rate = k[HCl] . Explain why th tion of calcium carbonate does not appear in the rate law. reaction. The e concentra 3. Read the entire procedure for the Introductory Activity. In step 5, why is it necessary to make sur the stopcock is in the open position and then immediately replace the stopper and bly in the Erlenmeyer flask after adding the hydrochloric acid to the marble chips? syringe assem- 4. The average rate of reaction of hydrogen peroxide with iodide ions to produce iodine was deter- mined for three initial concentrations of hydrogen peroxide as shown in the table b the order of the reaction with respect to hydrogen peroxide? Explain your reasoning Concentration of H202 0.089 M 0.044 M 0.022 M Average initial rate (M/see) 1.6 x 10-5 7.2 x 10-6 3.5 x 10-6 140 Flinn Scientific Adsaneed Inoin

Explanation / Answer

1)

The collision theory is based on the kinetic theory of gases.

This theory of gases gives the rate constant for two or more molecules i.e bimolecular gas-phase reactions; it is equal to the rate of successful collisions. The rate of successful collisions is proportional to the fraction of successful collisions multiplied by the overall collision frequency.

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.