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Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
alkali metals belong to s-block in the periodic table.why?
Originally, chewing gum was made from the latex sap of the sapodilla tree (native to Central America). This sap was known as chicle. Other natural gum bases may be used, such as je
Ionic Radii The experimentally calculated anion-cation distances in highly ionic solids have to be interpreted on the assumption that each and every ion has a nearly fixed
Q. In 1982, the International Union of Pure and Applied Chemistry recommended that the value of the standard pressure p o be changed from 1 atm to 1 bar. This change affects the
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
Q. What do you mean by Chemical Bonding? Ans. Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms toge
real life application
The following information is available for the extraction of Cu2+ into CCl4 with dithizone: KD,c = 7 ´ 104; b = 5 ´ 1022; Ka,HL = 3 ´ 10–5; KD,HL = 1.1 ´ 104; n = 2. What is the ex
what are boilers troubles?how to reduce them?
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