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The vapor pressure of CH3 COCH3 (propanone or acetone), is 67 Torr at 0 ? C and 222 Torr at 25 ?C. What is the standard enthalpy of vaporization of propanone? Answer in units of kJ/mol.
succinate dehydrogenase produces approximately 1.5 ATPs for each succinate oxidized. electrons passing down the electron transport system from succinate dehydrogenase pass through all of the following EXCEPT
Calculate the ?(wavelength) (m) associated with an electron that travels at 50% of the speed of light. (Mass of an electron = 9.11 × 10-28 g)
What is the freezing point of a solution of ethylene glycol, a nonelectrolyte, that contains 81.0 g of (CH2OH)2 dissolved in 505 g of water?
A balloon filled with H2(g) at STP has a volume of 2.24 .What is the final gas volume if 0.10 mol He(g) is added to the balloon and the temperature is then raised to 92.0 celsius while the pressure and amount of gas are held constant?
AgCl has a 78.1% ionic character and a diplole moment of 11.5D. what is the distance between the Ag and Cl atoms?
In an electrolysis cell similar to the one employed in this experiment, a student observed that his unknown metal anode lost 0.238 g while a total volume of 84.90 mL of H2 was being produced.
A large flask with a volume of 936mL is evacuated and found to have a mass of 134.66 g. it is then filled to a pressure of 0.967atm at 31 C with a gas of unknown molar mass and then reweighed to give a new mass of 135.91 g. what is the molar mass ..
Solute S has a partition coefficient of 6.1 between water (phase 1) and hexane (phase 2). A 74.0 mL solution of S in water is extracted six times with 12.0 mL of hexane. Calculate the fraction of S remaining in the aqueous phase.
The volume of oxygen used was 747.0 milliliters at 1,092 K and12.00 atm pressure, Calculate the percentage by weight of graphitein the original mixture.
What is the reducing agent and what has been reduced. What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2
State whether each of the following is a physical or a chemical property of copper. has good corrosion resistance high melting point doesn't react with water reacts with oxygen
Mercury is an extremely toxic substance. Inhalation of the vapor is just as dangerous as swallowing the liquid. How many milliliters of mercury will saturate a room that is 15x12x8.0 ft with mercury vapor at 25C
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