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The standard free energy change for a reaction is -212.3 kJ mol -1.
If the enthalpy of the reaction is - 216.7 kJ mol-1, calculate the entropy change for the reaction.
DRAW A SET UP FOR THE FOLLOWING SEPERATION TECHNIQUES; FILTRATION,SEPERATING FUNNEL EVAPORATION ,DECANTATIOON, DISTILLATION.
Q. Use the following information to draw a temperature-composition phase diagram for the binary system of H 2 O (A) and Na 2 SO 4 (B) at p = 1 bar, confining t to the range 20 to
what is chemistry
Applications of potentiometry: One of the most common and earliest applications of potentiometry is pH determination, and titration for the determination of electro active spe
The valency of phosphorus in H3 PO 4 is: (1) 2 (2) 5 (3) 4 (4) 1 Ans: 5
Electronic configuration of H - is : (1) 1s 0 (2) 1s 1 (3)1s 2 (d) 1s 1 , 2s 1 Ans: 1s 2
importance Of absorption and émission
Q. Describe about Halide Minerals? Highly electropositive alkali and alkaline earth metals tend to form halide salts, which being soluble in water are washed away into the ocea
Write one reaction each to exemplify the following: (a) Aldol condensation (b) Friedel-Crafts reaction
Although cholrine is electron withdrawing group.yet it is ortho nd para directing in electrophilic aromatic substitution reactants.why? Solution) Halogens are an exception of th
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