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why zinc extracted from zinc oxide through reduction with co?Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value then CO as you can see from ellingham diagram, so it can not be reduced by CO.
Write the chemical equation for the entire combustion of heptane, C 7 H 16 . The heat of combustion for heptane is 4817 kJ/mol. How much heat could be released if 250 kg of hept
silicon carbide is prepared using the chemical reaction SiO2+3C producing SiC+2CO so how many grams of SiC can be produced from 15 grams of C
Quantitative analysis by Flame Photometry?
Q. What do you mean by Acid Value and Free Fatty Acids? Acid value is a measure of hydrolytic rancidity present in the sample of oil/fat. It reflects the state of freshness o
what are the applications of coulumetry ?
DRAW A SET UP FOR THE FOLLOWING SEPERATION TECHNIQUES; FILTRATION,SEPERATING FUNNEL EVAPORATION ,DECANTATIOON, DISTILLATION.
Q. Explain Extraction of Sulphur? The most important method for the extraction of sulphur from native deposits is the frasc process developed by Herman frach in 1891. It consis
what is it?
Which has highest second ionisation energy? Electronic config of Na(+) is noble gas config. . so its very difficult to remove an electron so it will have very high 2nd ionisati
Correct statement is: (1) K=4s 1 , Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (2) K=4s 2, Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (3) K=4s 2 Cr= 3d 5 4s 1 , Cu= 3d 10
We all know that the reducing agent must have more negative ?G value. So, in the case of zinc oxide ,Zn has more negative ?G value then CO.
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