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Inorganic Chemistry
Lower oxides of transition metals are basic while higher oxides are acidic.why?
Inorganic Chemistry
Calculate the volume of ammonia gas formed by the reaction between 7 grams of nitrogen gas and excess nitrogen gas at r.t.p.
Inorganic Chemistry
Nitrosyl Bromide (NOBr) is formed from NO and Br2.
2NO (g) + Br2 (g) → 2NOBr (g)
Experiments show that this reaction is first order with respect to Br2 and second order with respect to NO.
By how much does the reaction rate change if the concentration of No is increased by 2.9 and the concentration of Br2 was decreased by a factor of 3.6?
2NO (g) + Br2 (g) → 2NOBr (g)
Experiments show that this reaction is first order with respect to Br2 and second order with respect to NO.
By how much does the reaction rate change if the concentration of No is increased by 2.9 and the concentration of Br2 was decreased by a factor of 3.6?
Inorganic Chemistry
how much % of NaCl is required to dissolve in water to make its freezing point 4degree centigrade?
Inorganic Chemistry
Cr2O3+2Al=2Cr+Al2O3
Calculate the mass of aluminium needed to react with 1 tonne of chromium (iii) oxide.
Calculate the mass of aluminium needed to react with 1 tonne of chromium (iii) oxide.
Inorganic Chemistry
A solution may contain Ag, Pb and Hg. A white precipitate forms on addition of
6 M HCl. The precipitate is insoluble in hot water. The residue turns black on
addition of ammonia. Which of the ions are present, which are absent, and which
remain undetermined? State your reasoning. Note: On paper unknowns such as this
one, confirmatory tests are usually not included.
6 M HCl. The precipitate is insoluble in hot water. The residue turns black on
addition of ammonia. Which of the ions are present, which are absent, and which
remain undetermined? State your reasoning. Note: On paper unknowns such as this
one, confirmatory tests are usually not included.
Inorganic Chemistry
The volume of a sample of gas is 650.0 ml at STP. What volume will the sample occupy at 40.0C and 950.0 torr?
Inorganic Chemistry
How many grams of a 214 g sample of bismuth-214 will remain after 60 min?
Inorganic Chemistry
a student mixes two water solutions with an initial temperature of 25.0C to form a final solution with a mass of 65.0g at 30.0C. what is the heat change, in KJ for the reaction?
Inorganic Chemistry
Aluminum will react with bromine to form aluminum bromide (Al2Br6). What mass of bromine (g) is needed to form 1.47 mol of Al2Br6?
