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Evaluate the relation between rate constant k1 and k2 of a first order reaction when temperature changes from 270 K to 300 K and activation energy is zero?
A 10L helium balloon at a pressure of two bar at 27C. Some O 2 is now inside in balloon and final volume is made 30L. the pressure also fell to 1 bar at similar temperature. the p
Electro refining of Copper Electrolyte - Aqueous copper sulphate solution (acidified) Cathode - Pure copper metal (thin rod) Anode - Impure copper metal (thick block
complete discription of van''t hoff factor
Antiseptics doesn''t harm living cells whereas disinfectants harm living cells.and disinfectants are used to sterilize instruments and utensils but cant be used on skin....and the
density of gas is 2.86 ltr.the gas may be-
Molten sodium chloride conducts electricity due to the presence of: (1) Free electrons (2) Free ions (3) Free molecules (4) Atoms of sodium and chlorine Ans: Free
2-Ethylbutanoic acid can be prepared by a malonic ester synthesis
define metalloid
Q. Describe about temperature scales? The temperature of an entity explains how hot or cold the object is relative to other objects. Scientists utilize two temperature scales-t
trend of atomic size
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