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Chapter 2: Problem 2

What are the units of rate of reaction?

Short Answer

Expert verified
Answer: The units of the rate of reaction are mol/(L·s).

Step by step solution

01

Identify the units of concentration and time

The concentration of a reactant or product is usually expressed in moles per liter (mol/L or M) and time is usually measured in seconds (s).
02

Write the definition of rate of reaction

The rate of reaction is the change in concentration of a reactant or product per unit time. Mathematically, it can be written as: Rate of reaction = \(\frac{\Delta (\text{concentration})}{\Delta (\text{time})}\)
03

Substitute the units into the formula

Now, we can substitute the units of concentration and time into the formula: Rate of reaction = \(\frac{\Delta (\text{mol}/\text{L})}{\Delta (\text{s})}\)
04

Simplify the units

Finally, we simplify the units to find the units of the rate of reaction: Units of Rate of reaction = \(\frac{\text{mol}}{\text{L} \cdot \text{s}}\) Therefore, the units of the rate of reaction are \(\frac{\text{mol}}{\text{L} \cdot \text{s}}\).

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Most popular questions from this chapter

State Le Chatlier's principle and apply it to the following equilibria: (i) \(2 \mathrm{NO}_{(\mathrm{g})} \rightleftarrows \mathrm{N}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}+\) Heat (ii) \(\mathrm{N}_{2} \mathrm{O}_{4(\mathrm{~g})} \rightleftarrows 2 \mathrm{NO}_{2(\mathrm{~g})}-\) Heat

Calculate \(\mathrm{K}_{\mathrm{p}}\) if the partial pressures of reactants and products in the dissociation of 1 mole of phosphorous pentachloride are \(0.3 \mathrm{~atm}, 0.4 \mathrm{~atm}\) and \(0.2 \mathrm{~atm}\) respectively.

Explain the effect of temperature on the rate of reaction.

Explain an experiment to study the effect of temperature and concentration on the rate of reaction.

In a reversible reaction, some amount of heat energy is liberated in the forward reaction. What change in temperature favours the forward reaction?
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