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what will be presure if tempreture is -73?
explain why Ni(co)4 is known while Ca(co)4 is not known
a metal forms 2 oxides. the higher oxide has 80% metal. 0.72g of lower oxide gave 0.8g of higher oxide when oxidised. show that law of multiple proportion is valid?
Q. Electronic Configuration and Position in Periodic Table? The outstanding feature of the actinide and lanthanide elements is the great similarity in chemical and physical pro
Compare the combustion energy stored in a 1 litre bottle of propane and butane. Suppose that the product temperature is 100°C. The density of liquid propane is 0.493 g cm -3
Entropy (S) is a molecular 'disorder', or more precisely 'the number of microscopic arrangements of energy possible in a macroscopic sample'. Entropy depends strongly on the state
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
Halogen Containing Compounds Compounds that are derived from hydrocarbons by the replacement of one or more than one hydrogen atoms by the corresponding number of halogen atoms
Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why? Solution) Al3+ + 3 e- Al Good reducing agents like aluminum have relatively
?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure?
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