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The atmospheric pressure in Mexico City is about 580 torr. Briefly describe the difference between this and the standard atmospheric pressure at the sea level.
a 12.6-g sample of cacl2 is dissolved in 140. g of water with both substances at 25.0degc. calculate the final
what is the total pressure in the reaction flask at the end of the reaction? What are the partial pressures of the gases in the flask?
If the vapor above the original solution is condensed and isolated into a separate flask, what would the vapor pressure of chloroform be above this new solution
The element Uranium found on earth is most likely formed by which nucleosynthetic process
The solubility product constant of Sr(IO3)2 is 1.14 × 10?7. What volume of 0.0485 M S2O32 is required to titrate a 15.0 mL sample of a saturated solution Sr(IO3)2
A sample of an unknown gas effuses in 10.1 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.16 min. What is the molar mass of the unknown gas
The solubility product of Mg(OH)2 is 1.2 x 10-11. What minimum OH- concentration must be attained to decrease the Mg2+ concentration in a solution of MgCl2 to less than 1.0 x 10-9 M.
a sample of nitrogen gas occupies 1.55 L at 27.0 C and 1.00 atm pressure. What will the volume be -100 C and the same pressure?
what do the bond angles of boron trifluoride suggest about the hybridization state of the boron atom of water
Determine for the delta h for the combustion of methanol to carbon dioxide as well as liquid water from the following data. The heat capacity of the bomb calorimeter is 34.65kj/k and the combustion
Calculate the standard cell potential of a CulCu2+(1.0 M) half cell connected to a standard hydrogen electrode (SHE). What is the pH if Ecell = 0.48 V.
Write a balanced equation of reaction. Carbon monoxide gas and oxygen gas combine to form carbon dioxide gas. Also, identify all the phases in the reaction.
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