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Using a ground-based telescope and a spectrometer, it has been found that sodium vapor is a major component of the thin atmosphere of Mercury. Its concentration is estimated to be about 1.0x10^5 atoms per cm^3
(a) Express this in moles per liter
(b) The maximum temperature of the atmosphre was measured by Mariner 10 to be about 970 ?. What is the approximate partial pressure of sodium vapor at that temperature?
How many grams of F2 are needed to produce 158 g of PF3 if the reaction has a 79.8% yield?
determine partial pressure and number of moles of each gas in a 17.25 L vessel at 30 degrees celsius containing a mixture of xenon and neon gases only.
The concentration of sulfuric acid in the lead-storage battery of an automobile over a period of time has decreased from 38.0 percent by mass (density = 1.29 g/mL) to 26.0 percent by mass (1.19 g/mL). Assume the volume of the acid remains constant..
what is happening when Nh4Cl is added to NH3 (a basic solution)? what is happening when HCl is added to NH3? how are these example
A current is drawn from the cell until 2.20 g of silver have been deposited at the silver electrode. Calculate E for the cell at this stage of operation in volts.
if all the ice cream calories were to be butned off how long would it take him? i got 45 minutes?
What volume of water should be added to 600 mL of ethanol in order to have a solution that boils at 95 degrees Celsius? (For ethanol, Tb=78.4 degrees Celsius, Kb=1.22 degrees Celsius and d= 0.789 g/ml. For water d= 1.00 g/m
The polymerization rate DP are proportinal to the first power of monomer concentration. What would be the effect of monomer concentration on DP in the thermal polymerization of styrene?
According to the valence bond theory, which of the following molecules involves sp2 hybridization of orbitals on the central atom?
If 200 mL of a .20 M HCl solution is consumed in the above reaction, how many grams of each product would be produced?
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops
The precipitate that forms in the qualitative analysis of the chloride ions is AgCl. Calculate the mass of AgCl that should be produced when an excess of AgNO3 is reacted with 0.1900 g of [Co(NH3)5Cl]Cl2.
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