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A 0.05M H2S solution contains 0.15M NiCl2 and 0.25M Hg(NO3)2. What pH is required to precipitate the maximum amunt of HgS but none of the NiS?
Both on Earth and in the sun the abundance of N is lower that that of its neighbors C and O. Is this the expected observation. explain
How many peaks would you expect to see in the decoupled 13C spectrum of 4-chlorohept-1,6-diene?
Using this equation, determine how many moles are formed for every one mole of KIO3. KIO3 + 5I + 6H ? 3I2 + 3H2O + K B)Using this equation, determine how many moles S2O3 are needed to titrate the number of moles of I2 calculated in A.
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction:
If it solidifies isothermally at 55 K below the equilibrium (normal) melting point of Cd, what is magnitude of the energy transferred to the plate
Why do oxyacids become stronger when more oxygens are added. (as in the case of HNO2 being much weaker than HNO3)
Write two equations for the dehydration of 2-methyl-2-butanol. One should show the structures of both alkenes, and the other one should be balanced.
The volume of oxygen collected over water is 226 mL at 25°C and 503.0 torr. Calculate the dry volume in milliliters of oxygen at STP.
a sample consisting of 2.0 mol co2 occupies a fixed volume of 15.0l at 300k. when it is supplied with 2.35 kj of energy
Explain the order of elution you observed while performing the gas chromatography for this experiment. What property of the product molecules seems to be the most impor- tant in determining relative retention times?
A reaction mixture at 175 initially contains 522 of and 421 of . At equilibrium, the total pressure in the reaction mixture is 748 . Calculate at this temperature
Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base
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