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The sulfide ion (S2-) is an important anion used in the separation and confirmation of groups I-IV cations. Describe the health and sfety concerns of using H2S and thioacetamide as the S2- donor. which is used most frequently and why is its use preferential?
A compound contains 69.94 percent iron and 30.06 percent oxygen. What is its molecular formula if the molar mass of the compound is 199.55 grams per mole?
Choose a more convenient order. (b) Calculate q, w, deltaU, deltaH, and deltaS when the gas changes between the same two conditions
What concentrations of [K2HPO4] and [KH2PO4] will you need to make the total concentration 0.50 M? 3.) How many moles of K2HPO4 and KH2PO4 will you need? 4.) What mass of K2HPO4 and KH2PO4 will you need?
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
Explain the purpose of the "Thermodynamic properties of Urea " Experiment. Also , ca you please tell me any possible sources of error
Draw any resonance form and state whether it is more or less stable than the original. ( if this is explained i will reward all points)
If 358 mL of H2SO4 is neutralized with 60.0 mL of 1.50 M NaOH, what is the initial concentration of the acid?
A gas measures 180. ml. at 870C and 800. mm Hg. Find its volume at standard temperature and 800 mm Hg of pressure.
Is the solubility of a cation predictable from the position of its element in the Periodic Table? Is precipitate color predictable from the position of the cations element in the Periodic Table?
A steel cylinder is filled with 5.75 mol of nitrogen at 22degrees Celcius. The volume of the cyclinder is 18.4 L Calculate pressure inside the cylinder.
The ester ethyl p-nitrobenzoate is more reactive towards nucleophilic acyl substitution than ethyl p-methyoxybenzoate.
Starting from 1-methylcyclopentene and using other reagents and number of steps that you need, synthesize the following compounds.
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