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Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
A mol 4:1 mixture of He and CH4 is contained in vessel at 20 bar pressure.Due to a hole in the vessel the gas mixture leaks out.the composition of the mixture,effusing out initiall
In CH2=C=CH2 it is given that the length between H of first carbon at top and H of last carbon at top is L1 and length between H of first carbon at top and H of last carbon at bot
what is chemical bond and his type?
Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?
Which of the following are isoelectronic species I= CH + 3 , II-NH 2 , III- NH + 4 , IV-NH 3 (1) I, II, III (2) II, III, IV (3) I, II
explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode
What are the main factors that alter the speed of enzymatic reactions? Ans) The major factors that change the speed of enzymatic reactions are temperature, pH and substrate conc
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