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Write the ground-state electron configurations for the following elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)(a) V
(b) Na
(c) Ni
(d) Au
(e) Pb
(f) Sn
A wastewater treatment plant produces 34, 500 pounds of secondary sludge each day. Wastewater flows into the plant at a rate of 5.6 MGD and has an influent BOD of 325 mg/L. How many pounds of BOD are destroyed by this plant each day
What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m
Discuss what you would observe after elution and visualization of a TLC plate having made the following mistakes in carrying out the anaylsis.
What components of phospholipids contribute to the liquid crystal nature of membranes
A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C.
What mass of Fe will form when 63.0g of CO reacts with 145g of Fe2O3 according to the following equation? 3CO+Fe2O3->2Fe+3CO2.
How many moles of NaOH would be required to completley neutralize 37.22mL of 0.25M HCl.
The hydrogen is recovered as its most stable oxide. When the oxide was made to decompose completely it released 1.274x10^25 molecules of oxygen gas.
Aspirin that has been stored for a long time may give a vinegar odor and give a purple color with FeCl3, what reaction would cause this to happen
The Ka of phenol, C6H5OH, is 1.00 x 10-10. What is [OH-] in a 0.874 M solution of phenol? Use E notation and 3 significant figures.
Calculate the expected change in temperature for 4.5 g of NH4NO3 dissolved in 100.0 mL of H2O. Assume that the calorimeter absorbs no heat.
What might have happened if the temperature of the oven were set to 210 degrees
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