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A 0.75L bottle is cleaned, dried, and closed in a room where the air is 22 degree Celsius and 44% relative humidity (that is, the water vapor in the air is 0.44 of the equilibrium vapor pressure at 22 degrees Celsius). The bottle is brought outside and stored at 0 degrees Celsius. What mass of liquid water condenses inside the bottle?
Calculate the molar solubility of copper(II) sulfide in each liquid or solution. (See the table.) (a) pure water M (b) 0.43 M CuCl2 M (c) 0.17 M K2S M
At 500 K, PCl5 decomposes rather extensively into PCl3 and Cl2. If 1.000 moles of PCl5 is placed in a 1 liter box at 500 K, 13.9 % of it decomposes into PCl3 and Cl2
The rate of a reaction increases with increasing concentrations of reactants because you have more collisions occurring in a given time period. The rate of a chemical reaction is inversely proportional to the temperature.
What volume of 5.00x10^-3 M HNO3 is needed to titrate 80.00 mL of 5.00x10^-3 Ca(OH)2 to the equivalence point
Draw the mechanism of the addition of HBr to cyclohexene. Identify each step, indicate intermediates.
Assuming equal concentrations rank theses solutions in order from lowest ph to highest(all aqueous). Ca(OH)2, HBrO, NH3, RbOH, HI
Balance the following molecular equations for these reactions. Write the ionic equation for the reactions. Write the net ionic equation for the reactions.
A chemist wants to prepare .50 M HCL. Commerical hydorcloric acid is 12.4 M. How many milliliters of the commerical acid does the chemist require to make up 1.50 L of the dilute acid?
express the work of isothermal reversible expansion of a van der waals gas in reduced variables and find a definition
Draw all possible mesomeric structures of the carbocationic intermediate in the chlorination of benzoic acid. Explain why the main product is m-chlorobenzoic acid.
A gas expands and does P-V work on the surroundings equal to 345 J. At the same time, it absorbs 191 J of heat from the surroundings. Calculate the change in energy of the gas.
The following organic chemicals are used during the oxidation of 9-hydroxyfluorene to fluorenone briefly explain how each chemical listed below is taking part during the chemical reaction.
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