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A 2.85 -g sample of an unknown chlorofluorocarbon is decomposed and produces 568 ml of chlorine gas at a pressure of 748 mm Hg and a temperature of 298 K.
What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
C6H12 + 9O2 ----> 6CO2 + 6 H2O 42 grams of cyclohexane burns in excess air to from carbon dioxide and water. How many grams of carbon dioxide and of water vapor are produced
in a titration of hcl i have a molarity of 0.991 naoh and a volume of 7.6 ml to reach an equivalence point for the
Why does chewing a tablet cure indigestion faster than swallowing the tablet whole?
Sdduming ideal-solution behavior, what is the vapor pressure of the solution at 63.5 C What is the mole fraction of ethanol in the vapor above the solution
Which species from the above reactions would be most active (oxidize most easily). Write two complete reactions from the above list that happen spontaneously.
air of one kilogram is allowed to expand reversible in a container behind a piston in such a way that the temperature
A scientist wants to make a solution of tribasic sodium phosphate. Na3PO4 for a laboratory experiment. how many grams of Na3PO4 will be needed to produce 625 mL of a solution that has a concentration of Na+ ions of 0.700 M
For a particular orbital, as one goes away from the nucleus along the z-axis, the probability desity decreases to zero, then increases, and finally decreases without increasing a second time. This is consistent with
To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 17.3 g, and its initial temperature is -14.4 °C.
Kc for the reaction below at 25°C is 4.8 x 10-6. Calculate the equilibrium concentration (mol/L) of Cl2(g) if the initial concentration of ICl(g) is 1.33 mol/L. There is no I2 or Cl2 initially present.
Which of the flasks contains the least total ion concentration?
Write the structure of a different product that could have been formed if you used ethanol containing substantial amount of water instead of the absolute ethanol
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