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A solution of 22.0g CaCl2 in 100.0 cm^3 of water has a vapor pressure of 22.8 torr at 26 celsius. Why does this result supprt the view that CaCl2 is completely ionized to Ca 2+ and Cl - in aqueous solution?(At 26 C(celsius) the vapor pressure of H2O is 25.2 torr and the density of H2O is 1.00g/cm^3; CaCl2 is non-volatile)
Estimate the density of Rb if it crystallizes in a body-centered cubic unit cell and has an atomic radius of 247.5 pm.
if a 190 mg piece of gold density 19.32 rm grm cm3 is hammered into a sheet measuring 2.1times1.0 rm ft what is the
a monoprotic acid with a solution of sodium hydroxide of known concentration, what quantities are equal at the equivalence point
Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations.
What formula is used to find the work needed to compress water from atmospheric pressure to a higher pressure (with ambient Temperature)? I know about w = integral (-PdV), but V is constant. What is this formula in terms of delta-P
Titration with sodium thiosulfate required the use of 18.94mL of 0.07992M Na;>203' Find the molarity of ascorbic acid in the juice.
Include stereochemistry using the single up & single down drawing tools, and draw only the hydrogens at chiral centers and at aldehyde carbons.
The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is canceled by the symmetric tetrahedral shape. When other atoms substitute for some of the Cl atoms
Assuming that a neutron star has the same density as a neutron, calculate the mass (in kg) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.20 mm.
List the following in decreasing order of strength (from strongest to weakest): hypochlorous acid, choric acid, perchloric acid, chlorous acid. Explain what trend in these oxoacids is making them progressively more acidic.
It is again evacuated and then filled with a gas of unknown molar mass. When reweighed, the flask is found to have gained 8.108 g.
Why is the meso-Stilbene dibromide much less soluble in all solvents than the dl-isomer from the bromination of cis-stilbene
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