You are experimenting on the effect of temperature on the rate of reaction between hydrochloric acid (hcl) and potassium iodide (ki). when the reaction is completed at 273k there are approximately 250,000 collisions per mole of reactant. you run the experiment again at 350k. which of the following would you expect to be the number of collisions recorded at 350k a. 2000 b. 700,000 c. 0 d. 200,000

The correct answer is Option B.

Explanation:

Collision is defines as the interaction of two bodies in motion. It depends on the kinetic energy of the particles. Number of collisions increases as kinetic energy of the particles increases.

Kinetic energy is the measure of temperature of the system. It is given by the equation:

where,

E = kinetic energy of the particles

k = Boltzmann constant

T = temperature

We are given:

Number of collisions at 273 K = 250,000

We need to find the number of collisions  at 350 K. As, the number of collisions increases as we increase the temperature. So, from the given options, the collisions at 350 K will be 700,000.

Hence, the correct answer is Option B.

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