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Many household bleaching solutions are essentially solutions of sodium hypochlorite, NaOCl. Calculate the sample weight of liquid bleach containg 5.0% by weight of NaOCl that would oxidize enough I^- to consume 0.80 mL of 0.15 M sodium thiosulfate.
by looking at the formula one might conclude that co would have a large dipole moment wen in fact it has a very small
Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12x10^-12. What is the solubility (mol/L) of silver chromate
Palmitic acid C_16 H_32 O_2 is a dietary fat found in beef and butter. The caloric content of palmitic acid is typical of fats in general. 1. What is the caloric content of sucrose in Cal/g? Delta Hrxn is: -5640 kJ
A gas system has initial volume and temperature of 8160mL and 467.0K. If the temperature changes to -151C, what will the resultant volume be in mL
an ideal gas at temperature t0 is slowly com- pressed at constant pressure of 2 atm from a volume of 10 liters to a
What is the lead concentration of a saturated solution of lead(II) sulfate containing 0.010 molar Na2SO4
ClF3 = polar 1) HOw many hybridized orbitals does the Cl use in bonding 2) Shape of the molecule
The solution gives an absorbance of 0.102 at 227nm using a 1.0 cm cell. A separate water sample containing benzene gives an absorbance of 0.0844 at 227nm in a 1.0 cm cell. What is the concentration of benzene in the water sample
a mixture of gases with a pressure of 800.0 mm hg contains 60 nitrogen and 40 oxygen by volume. what is the partial
What is the enthalpy change when a 4.0 gram sample of aluminum burns in excess of oxygen to form aluminum oxide?
Write the equations that represent the first and second ionization steps for selenic acid (H2SEO4) in water.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
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