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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?
What was the volume of the aluminum cylinder in cm3? The mass of the aluminum cylinder was determined to be 30.1 grams. What is the density of the aluminum?
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in the following. (a) pure water (b) 0.20 M KBr solution (c) 0.15 M Pb(NO3)2 solution
Determine the excess reactant that is left over after complete reaction with all the limiting reactant.The (s) (g) (s) are subscripts and so are the 2, 2, and 3 that I have in bold
question 6g of metal m react with 23.66g of chlorine to form 29.66g of the metallic chloride. find the empirical
The specific heat of liquid water is 4.184 J/g. degree C. Calculate the energy required to heat 10.0 g of water from 26.5 degree C to 83.7 degree C.
How many grams of MgCl2 are needed to make a 3.35% w/v solution having a total volume of 500.0 mL
Calculate the potential that would be measured if the solution pH were 9.70, assuming the selectivity coefficient (Ks) for OH- is 0.1 and that ß is 1.00.
Suppose 25.0 g of solid NaOH is added to 1.5 L of an aqueous solution that is already 2.4 M in NaOH. Then water is added until the final volume is 4.00 L. Determine the concentration of the NaOH in the resulting solution.
Calculate the molar volume of Ar at 500K and 60 atm according to (i) the ideal gas equation; (ii) the van der Waals equation, given a = 3.640 L2 atm mol-2 and b= 0.004267 L mol-1
The molar solubility of calcium phosphate. b) The molar concentration of calcium ions at equilibrium. c) The molar concentration of phosphate ions at equilibrium.
56.9 mL of water is added to 24.9 mL of 0.125 M KOH solution. What is the new molarity?
Draw the structure of the product that results from the reaction of excess hydrogen gas in the presence of a nickel catalyst:
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