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Engineering Chemistry

Flash and fire point | Viscosity index

July 19, 2018 by Dr. IM Leave a Comment

Flash and fire point | Viscosity index

What is Flash and fire point? What is the Viscosity index? Answer: Flash and fire point: Flash point: The flash point of an oil is the lowest temperature at which it gives off vapours that will ignite for when a small flame is brought near it. Fire point: The fire point of an oil is the lowest temperature at which the vapours of the oil burn continuously for at least 5 … [Read more...] about Flash and fire point | Viscosity index

Order of Reaction | Molecularity of a Reaction

July 19, 2018 by Dr. IM Leave a Comment

Order of Reaction | Molecularity of a Reaction

What is the Order of Reaction? Define Molecularity of a Reaction. Answer: Order of reaction: Order of reaction is defined as the total number of reacting species (atom, ions or molecules) whose concentration actually alters during the chemical reaction. In other. words, it is the number of concentration terms that determine the dependence of the rate of reaction. For a … [Read more...] about Order of Reaction | Molecularity of a Reaction

consequences of corrosion | electrochemical corrosion

July 19, 2018 by Dr. IM Leave a Comment

consequences of corrosion | electrochemical corrosion

What are the consequences of corrosion? What is the mechanism of electrochemical corrosion (wet corrosion )? Answer: corrosion, corrosion , corrosion Consequence of corrosion : 1. Plant shut down because of failure. 2. Replacement of corroded equipment. 3. Preventive maintenance (such as painting). 4. Necessity for over-design to allow for corrosion. 5. Loss of … [Read more...] about consequences of corrosion | electrochemical corrosion

Component | Phase | Degree of freedom

July 19, 2018 by Dr. IM Leave a Comment

Component | Phase | Degree of freedom

Explain (i) Component; (ii) Phase; (iii) Degree of freedom. Phase: It defines a phase as the part of the heterogeneous system which comprises two or more homogeneous parts which are separated from each other by definite boundaries. Examples:  Phase, Phase, Phase, Phase (i) CaCO 3CaO + CO2 Phase I II III This system has three phases i.e. solid (CaCO 3 ) , solid … [Read more...] about Component | Phase | Degree of freedom

Valence Bond Theory and Molecular Orbital Theory (VBT and MOT)

July 18, 2018 by Dr. IM Leave a Comment

Valence Bond Theory and Molecular Orbital Theory (VBT and MOT)

What is the Valence Bond Theory and Molecular Orbital Theory (VBT and MOT)? What are the Difference between them? Answer: VBT and MOT, VBT and MOT, VBT and MOT Valence Bond Theory and Molecular Orbital Theory (VBT and MOT) Valence bond theory (VBT) After the bond formation, the combining atoms in a molecule retain their identity. Bonding is explained with the help … [Read more...] about Valence Bond Theory and Molecular Orbital Theory (VBT and MOT)

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