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The difference among Threshold energy and average energy of the molecules is known as activation energy.
Q. Explain the working of chemical cell ? Ans. A chemical cell can be set up by dipping two different metals in an electrolyte and connecting the two metals with an external
Point imperfection: They are imperfect point-like regions in the crystal. One or two atomic diameters are the typical size of a point imperfection. A substitution impurity and an
A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C. 1500 kJ must be extracted from the hou
how H+ ions are formed
Elimination reactions - Organic Reaction Elimination reactions are generally the opposite of addition reactions and include the removal of the two groups (usually, one being a
what are the acid refractory and its application and examples?
The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.
Q. Describe about states of matter? Under usual conditions matter exists in three different physical forms called the states of matter -solid or liquid or gas. Solid matter
factors that effect the solubility of a solute The solubility of a solute is effected by three factors like 1) Nature of solute 2) Nature of solvent 3) Temperature Nature
It can be because these group tend to decrease the electron density when attached to a benzene or other ring structure preferentially at ortho and pera position.
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