ahmedabudief

Dr. Ahmed Mohammed Abu-Dief Mohammed

Assistant Professor - Assistant professor of Inorganic and Physical Chemistry

Faculty of science

Address: Behind hospital of Sohag University - Ali Ebn Abi Taleb Street

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Physical Chemistry 2

2019-10-13 01:39:22 |

The course contains two parts of physical chemistry

1- Chemical kinetics

2- Electrochemistry


2019-10-16 23:43:53 | Physical Chemistry 2
Rate Constant
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... Read more

2019-10-18 10:32:22 | Physical Chemistry 2
rate determining step
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 ... Read more

2019-10-21 15:47:09 | Physical Chemistry 2
Rate of the reaction
Write chemical equation for calculating specific rate constant and half life time for the following: First order - second order - third order reactions?... Read more

2019-10-21 15:54:31 | Physical Chemistry 2
Order of the reaction3
Write a general equation for calculating order of the reaction?... Read more

2019-10-21 16:03:34 | Physical Chemistry 2
Lindeman mechanism
Deduce rate constant for first order reaction using Lindeman approach?... Read more

2019-10-13 11:07:06 | Physical Chemistry 2
Rate law
... Read more

2019-10-15 15:36:42 | Physical Chemistry 2
Order of the reaction 2
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... Read more

2019-11-05 22:21:57 | Physical Chemistry 2
True or false
Put true or false 1-The intermediates in a chain reaction are called chain carriers ( ) 2- IN NUCLEAR FISSION THE CHAIN CARRIERS ARE ELECTRONS ( )... Read more

2019-11-05 22:47:16 | Physical Chemistry 2
Drive
Drive the equations for calculation of rate constant of the reaction between Br2 and H2?... Read more

2019-11-11 23:03:39 | Physical Chemistry 2
Following the reaction
True or false We can follow the reaction between of water and sodium kinetically ( )... Read more

2019-11-11 23:07:09 | Physical Chemistry 2
chain-branching explosion
A CHAIN-BRANCHING EXPLOSION occurs when the number of chain centres grows Linearly ()... Read more