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Succimer(C4H6O4S2)=182g, is given to patients with heavy metalpoisoning. What is the minimum amount of succimer that must beinjected to bind all the lead in a patients bloodstream? Assumethat one ma
A saturated solution of cesium perchlorate, CsClO4, inacetone, CH3COCH3, contains 0.03g of CsClO4, in 20.0mL of acetone at 25 degrees C. The density of acetone at this temperature is 0.7887 g/mL
What is the pH of a buffer prepared by mixing 53.0 mL of 0.050M sodium bicarbonate and 19.6 mL of 0.10 M NaOH.(Carbonic Acid: pKa1 = 6.35, pKa2 = 10.33)
If you were to construct a galvanic cell for the purposes of studying this reaction, what is the standard cell potential(E°) that you would measure?
Predict whether a spontaneous reaction will occur in the forward direction in each of the following. Assume that allreactants and products are in their standard states.a.)Pb(s)+Co2+(aq)-->Pb2+(a
Draw the complete mechanism for the formation of an aspirin product made from 150 mg of salicylic acid, 0.3 mL of acetic anhydride, and 2 microdrops of 85% phosphoric acid. Be sure to include all i
A hard water solution contains 48.0g calcium chloride. How much sodium phosphate in grams should be added to the solution to completely precipitate out all of the calcium?
A solution of ethylene glycol in water is 3.981 molar and has a density of 1.0296 g/mL. Calculate the percent, by weight, of ethlene glycol in the solution.
The energy from electromagnetic radiation can used to cause the rupture of chemical bond. A minium energy of 209 kj/mole is required to break the nitrogen-phosphorous single bond.
You take a 30 ml sample of pond water and test it with your sampling kit. You find that the water contains 20 ppm ofphosphates. You weight the sample and find that its mass is31 g. What is the mass
Can someone please tell me why adding reagent-gradeacetone removes NaOH from a product in which the Michael addition reaction used NaOH as a catalyst
A chemist wanted to mixed 6.0 mL of solution A (d=0.82 g/mL) with solution B (d=0.94) so that the final density of the solution was 0.88 g/ml. How many mLs of solution B must he mix with A
The density of an antifreeze solution measured 1.12g/mL. The solution was a mixture of 30% water and 70% antifreeze compound. How many g of antifreeze compound are necessary to prepare 50.0mL of ant
Ethyl acetoacetate will be reacting with trans-chalcone with 25 mLethanol and a pellet of NaOH under reflux for an hour. Then it willbe crystallized with water and chilled on an ice bath for 30minut
The 1st-order rate constant K = 3.4 x 10-3*s-1 for the decompositions of cyclobutane cyclobutane -----> 2(ethylene), with half life is 204 seconds.
To prove the statement, PbCl2 is more soluble than AgCl and Hg2Cl2 calculate the molar solubilities of AgCl, Hg2Cl2, and PbCl2in pure water.
There is a maximum numerical value for the refractive index of aliquid substance. What is this value and why is it the maximum.
Suppose you have a solution that might contain any or all of thefollowing cations: Cu2+, Ag+,Ba2+, and Mn2+. Addition of HCl causes aprecipitate to form. After the precipitate is filtered off, H2SO4
Why does the sequence for extracting the diethyl ether solution of benzoic acid (5), naphthalene (7), and 2-naphthol (11) start with aqueous bicarbonate and follow with aqueous hydroxide rather than
In the stepwise trihalogenation process of the methyl group in acetophenone the methyl group is initially deprotonated.
A mixture of 60 mol% n-propylcyclohexane and 40 mol%n-propylbenzene is distilled through a simple distillation apparatus; assume that no fractionation occurs durng the distillation.
Calculate the number of moles of H2 that are present at equilibrium if a mixture of 0.309 moles of CO and 0.309 moles of H2O is heated to 700°C in a 10.1 L container.
Calculate the fraction of the principal species in the solution bymixing 0.1M leucine and 0.1M NaOH, and the pH of that solution.
The reaction A+2B=products, has the rate law,rate=k[A][B]3. If the concentration of B is doubled while that of A is unchanged, by what factor will the rate of reaction increase?
Suggest why methyl orange is more firmly adsorbed than methylene blue. ( Hint: consider the possibilities for charge delocalization in each structure.)