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while gibing the ph and the volume intial and final how do we calculate the number of moles
Amongst the following covalent bonding is found in: (1) Sodium chloride (2) Magnesium chloride (3) Water (4) Brass Ans: Water
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.
Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is
In lab, buffers solution based onto a 0.1 M solution of sodium phosphate at pH7.0. Within this system, there are three of pK A s like: 12.7, 7.21 and 2.12. Determine the conce
Ask questionfreezing point as exemple of colligative propertiy. #Minimum 100 words accepted#
give the melting temperature values of group 2 elements
define free radical mechanism of additon reaction
Q. What is Alloys? Metals have a property of combining with other metals to form alloys. An alloy may be defined as a solid which is formed by a combination of two or more met
Uses of Esters (a) Esters are used as a solvent for oils, fats, cellulose, resins etc. (b) Esters are used in making artificial flavours and essences. (c) Esters are used
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