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For each of the following slightly soluble salts, write the equilibrium equation for dissociation and the solubility product expression: a)CuS b)Ag2SO4 c)Zn(OH)2
where n increases from zero to fourteen over the series from Lanthanum to Lutetium Select the two ions that have 5 unpaired spins. which 2 would have it?
If the silver -silver chloride electrode is replaced with a saturated calomel electrode, what is the new cell voltage?
At 28 ^circ rm C the osmotic pressure produced by the solution was 0.138 rm atm. What is the molar mass of the protein?
If only 10ml of 3.0 M KOH were used in the alum preparation instead of the specified 25 ml,would KOH then become the limiting reactant? Write the chemical equation for the conversion of Al(s) to solid aluminum alum KAL(SO4)2*12H2O (S)
Europium crystallizes in a body-centered cubic lattice (the Eu atoms occupy only the lattice points).The density of Eu is 5.26 g/cm3. Calculate the unit cell edge length in pm.
What concentration of aqueous NaCl solution freezes at -15.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.
hours in the presence of a certain concentration of an acid catalyst, what is the half-life for this reaction under the same conditionns? (Rate = k[C12H22O11]
Water is added to 25.0 mL of a 0.776 M KNO3 solution until the volume of the solution is exactly 500 mL. What is the concentration of the final solution.
Determine the lowest frequency of light (in Hz) required to remove an electron from a sample of Ti metal, if the binding energy of titanium
base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265 g of lead(II) sulfide.
synthesis of methyl orange as a guide, outline an experimental strategy for its synthesis, using any shelf-stable starting materials of your choice. Be sure to also include relevant details such as solvents, reaction temperature, cooling/heating
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