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To 2.00 L of .100M of lead(II) nitrate, you add .500 grams of sodium sulfide (Na2S). Being a sodium salt, sodium sulfide is soluble in water. What would you expect to see after the sodium sulfide dissolves?
how many Liters of water can be made from 34 grams of oxygen gas and 6 grams of hydrogen gas at STP? what is the limiting reactant for this reaction?
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
What is the pH of a soft drink in which the major buffer ingredients are 6.6 g of NaH2 PO4 and 8.0 g of Na2HPO4 per 355 mL of solution
Determine qp for this reaction using deltaH = qp *Just scratching the surface on enthalpy, the help in understanding the process in full is much appreciated
Explain the structure for 4-ethyl-2,3-dimethyl-2-heptene?
We had this experiment where we took 4-bromo-N-ethanoylbenzeneamine and we refluxed it with HCl to achieve hydrolysis. We then added enough NaOH to render the solution pH 8. We then distilled the mixture in steam to yield 4-bromoaniline. Why was t..
The rate constant for decay of 45Ca20 is 4.233x10-3/day. What is the half-life of 45Ca20? a) 81.86 days b) 163.7 days c) 327.4 days d) 409.3 days e) none of these
A concentrated solution of compound A in the same solvent was diluted from an initial volume of 2.00 ml to a final volume of 25.00 mL and then had an absorbance of 0.733. What is the concentration of A in the concentrated solution
Sketch the phase diagram of a pure substnace from the follwoing data. (A log P scale may help). There are two solid forms X and Y, which are both denser than the liquid, and Y is denser than X.
most community water supplies contain 0.5 ppm chlorine added for purification. what mass of chlorine must be added to
the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution? Will it be too high, too low, or unaffected
Part A Draw an orbital diagram for boron. Use this tool to draw the orbital diagram. Part B Draw an orbital diagram for scandium (Sc). Use this tool to draw the orbital diagram.
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