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Given that ?H°298 for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?
The f-block elements contains of two series of inner transition elements i.e. lanthanoids (the fourteen elements subsequent lanthanum) and actinoids (the fourteen elements subseque
how we determine the compound is ir active or not . and how we determine the polarity of a compound?
Explain Resonance effects Resonance effects: The application of the resonance effect for predicting the relative rates of acid-catalyzed ester and amide hydrolyses is exactly
Azimuthal quantum number for last electron of Na atom is: (1) 1 (2) 2 (3) 3 (4) 0 Ans: 0
Versatile nature of Carbon-Catenation The chemical compounds can be mainly classified into two main categories. These are organic and inorganic. More than 90 elements are in
Q. Describe about Dioxides? These are generally obtained by heating the element in air. The dioxides of Se and Te can also be prepared by treating the element with conc. HNO, f
calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation
Q. Compare pot furnace and tank furnace used in manufacture of glass. Ans. S.NO. Pot furnace Tank furnace 1. Used f
Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 , -CN, -CHO, -COOH) on the benzene ring increases
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