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A Carnot heat engine gets heat at 800 K and rejects the waste heat to the environment at 300 K. The whole work output of the heat engine is used to drive a Carnot refrigerator that
5Mol K+
Name the common element present in the anode mud in electro refinig of copper. Ans) ANTOMONY ,STRONSIUM,SELENIUM,TELLURIUM,SILVER,GOLD AND PLATINUM . THESE ELELMENTS ,BEING LESS R
Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d have the same energy (2) 4s has a higher energy than 3d (3)4s 1 is
Decomposition Metal Hydrogen Carbonate Cu(HCO 3 ) 2 . Decomposition Metal Hydrogen Carbonate
uses of salt
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
What are the chemical laws and their verification
Consider the reaction A → P. The change in concentration of A with time is shown in the given plot: (i) Predict the order of the reaction. (ii) Derive the mathematical expr
what is made when resorsinol reacts with zinc powder?
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