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The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
The given amines are CH3NH2, (CH3)2NH,NH3,NH2Br. The amines list is from strongest base to weakest . (CH3)2NH CH3NH2.
Write one chemical reaction each to show that (a) Tin (II) chloride is a reducing agent. (b) Chlorine gas can be getting from bleaching powder.
Explain experimental evidence to demonstrate the existence of ferromagnetic domains. Temperature increases, thermal motion, or entropy, competes with ferromagnetic tendency for
All the elements of Group 13 form trioxides also known as sesquioxides of the formula, M 2 O 3 . Thallium forms stable Tl 2 0 also. The basic character of oxides increases down th
please help me to do assignment about noble gas.
Solid xenon forms crystals with a face centered unit cell that has an edge of 620 pm. 1. calculate the atomic radius of xenon. 2. calculate the packing efficiency if xenon. So
Q. What is Peroxodisulphuric Acid? It is also known as perdisulphuric acid or simply persulphuric acid. The acid can be obtained by the action of chlorosulphonic acid on H 2 0
Define the Elements of a galvanic cell? We will treat a galvanic cell as a system. The cell has two metal wires called terminals that pass through the system boundary. Within t
Q. What is Standard Enthalpy of Formation? Ans. It is really difficult to measure the total energy content or absolute entropy of a substance. In order to quantify entropy
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