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2 Kg of ice at -20 degree C is mixed with 5Kg of water 20 degree C in an insulating vessel containing negligible heat capacity. Measure the final mass of water remaining in the container. It is given that the specific heats of water and ice are 1Kcal/kg/degree C and 0.5Kcal/kg/degree C whereas latent heat of fusion of ice is 80 kcal/kg
laboratory preparation
A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8
Explain in 100 words Congo Rubin Number?
Properties of Picric Acid Picric Acid is a yellow crystalline solid, melting point 122°C. Picric Acid is insoluble in cold water but soluble in hot water and in ether. It is ac
0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
Q. What are the properties of water? Ans. Water is a colorless, odorless, tasteless liquid with a melting and freezing point of 0 o C and a boiling point of 100 o C at 1 a
trailing of mercury
The rate constant for a reaction of Zero order in A is 0.0030 mol L¯¹ s¯¹. How long will it take for the initial concentration of A to fall from 0.10 M to 0.075 M?
Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
Q. Bridging group in nomenclature compounds? A bridging group is indicated by putting the Greek letter 'p' immediately before its name and separated by hyphens from other ligan
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