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A piece of solid carbon dioxide, with a mass of 47.0 g, is placed in an otherwise empty 5.00 L container at 27 degrees Celcius. What is the pressure in the container after all the carbon dioxide vaporizes? What would be the partial pressure of the carbon dioxide if the experiment was repeated in a container that had an O2 pressure of 740 torr.
a certain weak acid ha has a ka value of 5.8times10-7.1. calculate the percent dissociation of ha in a 0.10 m
Derive the algebraic expression for the most probable speed (the speed at the peak of the Maxwell distribution function) by setting dG(v)/dv = 0, and solving for v.
Hemoglobin, a nonelctrolyte is an iron containing protein found in red blood cells. The osmotic pressure of 25.0 mL of an aq. soln containing 0.658 g of hemoglobin is 9.88x10^-3 atm at 25.0 *C. Determine the molar mass of hemoglobin
the small bubbles that form on the bottom of a water pot that is being heated before boiling are due to dissolved air
nbsp1.0-ml volume of .010 m h2so3 is added to amixture of 12 drps of .01 m hio3 8 drops of deionized water and 1drop of
Are the following reactions spontaneous, non-spontaneous, or not possible?
According to Hund's Rule, how many unpaired electrons are in the valence shell of element 10?
write a chemical equation for the formation of Na and N2 from sodium azide
The ka of acetic acid is 1.8 x 10^-5. Please show the calculations for the preparation of 100 mL of an acetic acid - sodium acetate pH 5.0 buffer using .10 M acetic acid.
A saturated solution of unknown metal hydroxide M(OH)2 has a measured pH of 8.91. Determine the value of Ksp for the compound.
A tank of 10 m3 volume contains an ideal gas (CP=30 J/mol-K) at T=298 K and P=5 bar. If gas from the tank is allowed to flow through a reversible device and exhaust to the atmosphere at P=1 bar.
Calculate Q,W and delta U for the conversion of 1 mole of liquid water to steam at T = 100C and P = 1 atm. The heat of vaporization of water is 9720 cal/mol.
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