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How does electron configuration work? If I have [Ar]3d^5 as an example how do I know what it actually equals?
A sample containing 3.00 mol of an ideal gas at 25C is expanded isothermally and reversibly from an initial volume if 6.0L to a final volume of 24.0L. Calculate deltaG and deltaA for this process.
calculate the molecular weight of phosphorus if 2.3437 grams are dissolved in 50.00 grams of para-dibromobenzene and the solution freezes at 81.35 degrees C.
Molecular bromine is 24 per cent dissociated at 1600 K and 1.00 bar in the equilibrium Br2(g) to 2Br(g). Calculate K at (a) 1600K, (b) 2000 K, given that standard enthalpy change = +112 kJ mol-1 over the temperature range.
How many milliliters of 0.200 M NaOH will be required to titrate 7 mL of 0.479 M H2SO4
Give the systematic names for the formulas, or the formulas for the names. (Type your answer using the format copper(II) chloride for CuCl2, and using the format CO2 for CO2. Omit the centered dot for hydrates.)
Determine the degree of unsaturation of an organic compound with the molecular formula C7H6O2. interpret the value found in term of functional group of the compound.
What types of limitations and obstacles must any plausible origin of life scenario overcome, and why did Crick believe life couldn't have formed on Earth?
What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
Predict whether a precipitate will form in the following experiments. write down the associated balanced chemical equations for the formation of the precipitate.
If 5.50 of the unknown compound contained 0.183 moles of carbon and 0.367 mol of H of , how many moles of oxygen, , were in the sample?
The instruction booklet for your pressure cooker indicates that its highest setting is 12.5 psi . You know that standard atmospheric pressure is 14.7psi
How many moles of nitrogen, N, are in 65.0 g of nitrous oxide,N2O ? Express your answer with the appropriate units.
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