Half life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is
* 0.5 × 10–2s–1 B. 0.5 × 10–3 s–1 C. 5.0 × 10–2 s–1 D . 5.0 × 10–3 s–1...
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The following mechanism has been proposed for the reaction of NO and Br2 to form NOBr
NO(g) + Br2(g) NOBr2(g)
NOBr2 (g) + NO(g) → 2NOBr(g)
If the second step is rate determining step, the order of the reaction with respect to NO(g) is
* 0 B.1 ...
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Write chemical equation for calculating specific rate constant and half life time for the following:
First order - second order - third order reactions?...
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In a first-order reaction for every 10° rise of temperature, the rate is doubled. If the temperature is increased from 10°C to 100°C, the rate of the reaction will become
* 1. 512 times • 2. 64 times • 3. 256 times • 4. 128 times...
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Put true or false
1-The intermediates in a chain reaction are called chain carriers ( )
2- IN NUCLEAR FISSION THE CHAIN CARRIERS ARE ELECTRONS ( )...
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True or false
collision cross-section σ(ε)_, _equal to zero if the kinetic energy of approach is below a certain threshold value, Ε_A ( )_...
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