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Why would the cell potential be higher with the addition of 6 M Na2S solution to .001 M of CuSO4 (compared to 6 M NH addition to .001 M CuSO4)
Wet steam flows in a pipe at a pressure of 700 kPa. To check the steam quality, the wet steam is expanded to pressure of 100 kPa. The expansion process may be assumed to be isenthalpic
A single atom of an unknown element travels at 15% the speed of light. The de Broglie wavelength of the atom is 1.06x10^-16m. What element is this
If you mix 200. mL of 1.0 M KCl with 300. mL of 2.0 M KCl, what is the molarity of KCl in the final solution?
The vapor pressure of a liquid chloroform, CHCl3, is 400.0 torr at 24.1 c and 100.0 torr at -6.3C , what is Hvap of chloroform
Claisen reactions use a stoichiometric amount of base and do not polymerize, unlike aldol reactions that use a catalytic amount of base and can polymerize.
A certain weak base has a Kb of 7.40 x 10^-7. What concentration of this base will produce a pH of 10.06
the pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 l to 0.10 l.
a rectangular block of plastic, measuring 1.50 cm by 2.29 cm by 1.84 cm, floats in the middle of the Pacific Ocean. The volume of sea water displaced by the plastic block is 5.46 cm3. Assuming the density of the sea water is 1.025 g/mL, what is th..
predicting membrane protein topology from sequence you have cloned the gene for a human erythrocyte protein which you
Copper and zinc (elements 29 and 30, respectively) appear next to each other on the periodic table. A 5.50 g sample of zinc has a volume of 0.770 mL, while a 5.50 g sample of copper has a volume of 0.616 mL. Why?
an ideal gas has a pressure of 2.69 atm, and a volume of 91.59 L, what is the temperature of the sample in degrees Celsius?
a 70g piece of ice at 0c is added to a sample of water at 6 c all of the ice melts and the temp of the water decreases
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