15. Chemical Kinetics

Instantaneous Rate

15. Chemical Kinetics

# Instantaneous Rate - Video Tutorials & Practice Problems

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** Instantaneous Rate** is the rate a reaction at any particular point in time.

Instantaneous Rate

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concept

## Instantaneous Rate Concept 1

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example

## Instantaneous Rate Example 1

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Problem

ProblemConsider the decomposition of dinitrogen pentoxide:2 N_{2}O_{5} (g) → 4 NO_{2} (g) + O_{2} (g)

What is the instantaneous rate of this reaction at 20 seconds?

A

0.0325 M/s

B

0.0270 M/s

C

0.0380 M/s

D

0.015 M/s

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PRACTICE PROBLEMS AND ACTIVITIES (12)

- (c) As a reaction proceeds, does the instantaneous reaction rate increase or decrease?
- The isomerization of methyl isonitrile 1CH3NC2 to acetonitrile 1CH3CN2 was studied in the gas phase at 215 C, ...
- The rate of disappearance of HCl was measured for the following reaction: CH3OH1aq2 + HCl1aq2¡CH3Cl1aq2 + H2O1...
- Consider the reaction: H2( g) + Br2( g) ¡ 2 HBr( g) The graph shows the concentration of Br2 as a function o...
- Consider the reaction: H2( g) + Br2( g) ¡ 2 HBr( g) The graph shows the concentration of Br2 as a function of ...
- Consider the reaction: 2 H2O2(aq) ¡ 2 H2O(l ) + O2( g) The graph shows the concentration of H2O2 as a function...
- Use the information in Table 14.1 and Figure 14.1 to estimate the instantaneous rate of appearance of NO2 at ...
- From the plot of concentration–time data in Figure 14.1, estimate: (b) the initial rate of decomposition of ...
- From the plot of concentration–time data in Figure 14.1, estimate: (a) the instantaneous rate of decomposition...
- From a plot of the concentration–time data in Worked Example 14.9, estimate: (b) the initial rate of decompo...
- From a plot of the concentration–time data in Worked Example 14.9, estimate: (a) the instantaneous rate of d...
- Approximate the instantaneous rate of this reaction at time 𝑡=40 s.