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When 0.152 mol of solid PH3BCl3 is introduced into a 3.0 L container at a certain temperature, 8.44 x 10-3 mol of PH3 is present at equilibrium:PH3BCl3(s) <=> PH3(g) + BCl3(g)Construct a reaction table for the process, and use it to calculate Kc at this temperature.
Assume that a reaction takes place at 296 K and 306 K. What must the activation energy be for the rate constant to double as described.
From the same container under the same conditions--same temperature and initial pressure, it takes 385 s for 7.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
If 18.2 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia.
Explain the characteristics of a single, double, and triple bonds including why they form
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
Explain why a 1m solution of the compound FeCl2 in water has a lower freezing temperature than a 1m solution of KCl in water and what is the empirical formula of a compound
The half-life of cobalt-60 is 5.27 years. How many milligrams of cobalt-60 remain after 52.7 years if you start with 10.0 mg.
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of lead is 715.0 kJ/mol.
What mass of H2O is required to form 1.3L of O2 at a temperature of 320K and a pressure of 0.957atm.
Calculate the ratio of HCL molecules in the first excited rotational state to those in the ground state @ 25 C. Assume an equilibrium bond distance of 1.275 angstroms.
Determine How much Na2EDTA x 2 H2O must be weighed to form exactly two litres of 0.0500 M solution? FW=372.24
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