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Use the following data, as appropriate to estimate the molarity ofa saturated aqueous solution of Sr(IO3)2. Sr(IO3)2-- ?H=-1019.2KJ ?G=-855.1Kj ?S=234J
Sr2+ -- ?H=-545.8KJ ?G=-599.5KJ ?S=-32.6J
IO3- ?H=-221.3KJ ?G=-128.0KJ ?S=118.4KJ
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
Explain why an object whose color is purple actually absorbs visible light in the green wavelength region.
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.253 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.9°C.
When silver crystallizes, it forms face-centered cubic cells. The unit cell edge length is 408.7 pm. Calculate the density of silver. (Enter answer to three significant figures.)
How many grams of calcium chloride should be formed from the reactions of hydrochloric acid and calcium hydroxide? If the reaction in 2.4 only produces 3.0 g calcium chloride, calculate the percentage yield of calcium chloride.
Calculate how long it will take for 0.500 g of the isotope to be reduced to 0.150 g by decay.
One mole of He is heated from 200 degree C to 400 degree C at a constant presure of 1 atm . Given that absolute entropy of He at 200 degree C is 810 J/K/mole and assuming He is a perfect gas
Calculate the ion mobility of 100nt long DNA molecules and single nucleotide molecules. Correlate this to the conductivity of the solution.
You are to prepare 250 grams of 7.00% sodium carbonate solution. How many grams of sodium carbonate and how many mL of water do you use?
how many grams of sulfur dioxide are produced when 45.0g of thionyl chloride reacts with excess water?
the transport of glucose from the intestine across the intestinal cell into the blood. Identify each step and their order by dragging the description into the appropriate box.
Determine the molecular formula of the compound with molar mass 336.5g mol-1 and empirical formula C 5 H 8 O?
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