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titanium metal has a body-centered circle unit cell. The density of titanium is 4.50 g/cm^3 . Calculate the edge length of the unit cell and a value for the atomic radius of titanium.
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.
Determine the mole fraction of HO2CCH2CHOHCO2H in this solution?
Suppose .30 mol of Ammonia and .40 mol of oxygen are added to a 5L container. If Y mol of water is present at equilibrium, calculate the equilibrium concentration of oxygen?
what is the maximum amt of (Ba2+) that can be maintained in 1.9 L of a .030 M solution of Na2SO4.
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
Determine what amount of heat is required to increase the temperature of sixty grams of ethylene glycol from 15.1 degree Celsius to 40.3 degree Celsius?
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
54.0 mL of a 1.40 M solution is diluted to a volume of 218 mL. A 109-mL portion of that solution is diluted using 183 mL of water. What is the final concentration.
What mass of solid sodium formate (of MW 68.01)must be added to 115 mL of 0.57 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 4.16? Ka = 0.00018 for HCOOH.
The molar enthalpy of fusion of ice at 0 0C is 6.02 kJ/mol; the molar heat capacity of supercooled water is 75.3 J/molK. (a) One mole of supercooled water at -10 0C is induced to crystallize in a heat-insulated vessel.
The magnesium and calcium ions present in seawater([Mg2+] = 0.059 M and [Ca2+] = 0.011 M) can be separated by selective precipitation with KOH.
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