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When 9.25 g of ClF3 was introduced into an empty 2.00 L container at 700.0 K, 19.8 % of the ClF3 decomposed to give an equilibrium mixture of ClF3, ClF, and F2.
ClF3(g)?ClF(g)+F2(g)
In a separate experiment, 40.4g of ClF3 was introduced into an empty 2.00 L container at 700.0 K. What are the concentrations of ClF3, ClF, and F2 when the mixture reaches equilibrium?
28.98 mL of a 0.1962 mol/L EDTA solution is required to titrate a sample to the equivalence point. How many moles of divalent metal cations were in your sample?
What would be the pressure of the gas, in kPa, if it were transferred to a container at 24°C whose volume is 55.0L?
Estimate the vapor pressure of sea water at 20 degrees celsius given that the vapor pressure of pure water is 2.338 kPa at that temperature
A solution is prepared by dissolving 30.0 g of Na2SO4 in enough water to make 750.0 mL of solution. A 10.00 mL portion of this solution is then diluted to a final volume of 100.0 mL.
If 43.2 ml of 0.105 M KMnO4 were required to reach the endpoint of a 14.8g bleach sample, what was the perrcentage of H2O2 in the sample?
Concentrated hydrochloric acid is 12 M and has a density of 1.18 g/mL. Calculate the mass in grams of a 0.025 L sample of concentrated hydrochloric acid.
When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2
Calculate the pH of a system composed of 0.135 M HC7H5)2, benzoic acid and 0.176 M KC7H5O2, potassium benzoate.
Given the thermodynamic data in the data table below, calculate the equilibrium constant for the reaction: 2SO2 (g) + O2(g/0 2SO3(g), Substance Delta Hf (kj/mol) Delta S (J/K *mol)
Measurements also show that a certain sample of the unknown compound contains 6.9 mol of oxygen and 2.32 of chromium
Calculate the pH of 0.103 M phosphoric acid (H3PO4, a triprotic acid). Ka1 = 7.5 x 10^-3, Ka2 = 6.2 x 10^-8, and Ka3 = 4.8 x 10^-13.
Consider the reaction 4KO2(s) + 2CO2(g)->2K2CO3(s) + 3O2(g) . How much KO2 is needed to react with 75.0 L of carbon dioxide at STP?
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