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The Ksp of calcium hydroxide, Ca(OH)2, is 5.02 × 10-6. Calculate the solubility of this compound in g/L.
Next a circuit pattern made of a chemically resistant polymer is printed on the board. The unwanted copper is removed by chemical etching and the protective polymer is finally removed by solvents. One etching reaction is
consider the titration of 25.00ml of 0.650 M propanoic acid, HC3H5O2 ( Ka = 1.3 X 10^-5), with 0.750 M sodium hydroxide, NaOH, and answer the following questions?
use the concept of electron configurations to explain why the number of alence electrons in metals tends to be less then the number in most nonmetals.
Explain the valences for each, showing what may happen to the electronic structure in each case
Once made by heating wood in the absence of air, methanol (CH3OH) is now made by reacting carbon monoxide and hydrogen at high pressure
Select each of the reactions and observe the reactants taking part in the reactions. Suppose you are carrying out each of these reactions starting with five moles of each reactant. Observe that some reactants are in excess whereas some reactants l..
Place the following in order of increasing strength as reducing agents (all under standard conditions). (Use the appropriate symbol to separate substances in the list.) Cr3+, H2, Zn, Li, F -, Fe2+
Calculate DeltaG °rxn. c) In which direction is the reaction, as written, spontaneous at 25 °C and standard pressure?
If yeast were supplied with glucose labelled with 14C at the C-1 position to produce ethanol and CO2 anaerobically, would the label appear in the CO2
What is the final temperature inside the vessel after combustion, assuming that the steel vessel has a mass of 13.695kg , the mixture of gases has an average molar heat capacity of 21J/(mol??C), and the heat capacity of steel is 0.499J/(g??C)?
This is equal to the number of moles of HCL present in the 5.00mL of HCL delivered to the flask. Compute the molarity of the HCL.
The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.
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