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Inorganic Chemistry
What are the chemical formulae of Borate radicals? Are there more than one Anion with the name borate?
Inorganic Chemistry
The decomposition of NO2 is a 1st order reaction. At room temperature it takes 32mins for 0.05M NO2 to decrease to 0.025M. How long will it take 0.025M NO2 to decrease to .0.0125M?
Inorganic Chemistry
When an excess of sodium sulfide was added to 125mL of 0.100mol/L iron 2 nitrate, a black precipitate formed. Identify the percipitate, and calculate the maximum mass of precipitate that can be collected from the reaction.
Inorganic Chemistry
A sample of a substance known to contain chloride ion was dissolved in distilled water in a 1L volumetric flask. Then 25.00mL of this solution was reacted with excess silver nitrate. A precipitate of silver chloride was filtered and dried. The mass of the dry precipitate was 0.765g. What is the concentration of chloride ions?
Inorganic Chemistry
How does PO4 3- ,phosphate bond with four oxygen atoms (one by double bond and three through by single bonds) when bonding with only two oxygen atoms (one through double bond and the other through single bond) can fulfills its octet? Is it not violating the octet rule?
Inorganic Chemistry
What is understood by hydrogen bonding? How does hydrogen bonding? How does hydrogen bonding affect the properties of compounds? How many types of hydrogen bonding are there?
Inorganic Chemistry
draw structure of possible ionization isomers of Ru(NH3)6Br3(H2O),including hydration isomers,for the formula,and briefly explain how could experimentally identify these isomers from one another in a laboratory.
Inorganic Chemistry
how many milliliters of 3.5M NaCl must be diluted to prepare 250ml of 0.45 M NaCl
Inorganic Chemistry
1) explain hydrogen peroxide is used for restoring paintings?
2)the oxidising power of halogens decreases down the group in the periodic table? Explain.
3) artificial mode of nitrogen fixation
2)the oxidising power of halogens decreases down the group in the periodic table? Explain.
3) artificial mode of nitrogen fixation
Inorganic Chemistry
If you have a solution of CaCl2 with a concentration of 0.30 M, what does it contain?
A.0.60 M Ca2+ ions and 0.60 M Cl- ions.
B.0.60 M Ca2+ ions and 0.30 M Cl- ions.
C.0.30 M Ca2+ ions and 0.60 M Cl- ions.
D.0.30 M Ca2+ ions and 0.30 M Cl- ions.
E.none of the above
A.0.60 M Ca2+ ions and 0.60 M Cl- ions.
B.0.60 M Ca2+ ions and 0.30 M Cl- ions.
C.0.30 M Ca2+ ions and 0.60 M Cl- ions.
D.0.30 M Ca2+ ions and 0.30 M Cl- ions.
E.none of the above
