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A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulphide (CuS). Each of the copper reacts but only 1.14g of sulphur reacts. Forecast what the mass of the tube and its contents will be after the reaction is completed. Explicate your reasoning.
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An electronic transition from 1s orbital of an atom causes: (1) Absorption of energy (2) Release of energy (3) Both release or absorption of energy (4) Unpredictable
Denaturation The structure of the natural proteins is accountable for their biological activity. These structures are arranged by numerous attractive forces among different par
Hedonic Rating In this test the assessor is asked to record the extent of liking for a product, usually by selecting a category on a "hedonic" or liking scale that runs from
The mole (calculation using the mole formula should be included).
Reverse Hyperconjugation : The method of hyperconjugation is as well observed in the system given below, In such type of system the effect operates in the opposite direc
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Q. Explain about Stereoisomerism? Stereoisomers have the same bonds but the arrangement of atoms in space is different. Stereoisomerism can be divided into two kinds: geometri
Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
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