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Why a covalent bond is directional?
Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of atomic orbital i.e. bond only takes place in the direction of shared pairs of electrons. Hence covalent bonds would have strong directional preferences unlike metallic and ionic bonds.
Isoelectric point - physical characteristic of proteins Each protein has a characteristic isoelectric point for which its ionisation is minimum. Such as amino acids, proteins,
The freezing point of ethylene glycol is -3.2 degree-Celcius. How many grams of ethylene glycol is required in 150 L of water to achieve such temperature?
The mathematical expression used for expressing the rates of chemical reaction is given below by taking two different set of chemical reactions. Reactions involving same s
who discovered fractional distillation
assignments of hydrogen bonding
Q. Evaluate percentage Fat Content in Milk? The fat content in milk can be determined through various procedures as: Direct determination of fat by extraction with ether - A
Explain the Phase Diagrams - Ternary Systems? A ternary system is one with three components. We can independently vary the temperature, the pressure, and two independent compos
The π electrons of a conjugated molecule can be modeled as a particle in a box where the box length is a little more than the length of the conjugated chain. The Pauli exclusion pr
Properties of Detergents - Oils and Fats Detergents are superior cleansing agents due to following properties. (i) These can be employed both in soft and hard waters as the
F of NH4Cl->NH3 +HCl when p(NH3)not =p(HCl) F of KClO3->KCl +O2 KClO3=solid &KCl=solid & other are in gas. PLEASE REPLY TODAY(NEED TO COMPLETE THE ASSIGNMENT)
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