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Problem- A mixture of 0.500 mol NO2 and 0.500 mol CO is placed in a 1.00 L flask and given time to equilibrate. Analysis of the equilibrium mixture indicates that 0.123 mol of CO2 is present. Calculate Kc for the reaction.
NO2(g) + CO(g) = NO(g) + CO2(g)
Rework your solution from the beginning and check each step carefully.
What mass (in grams) of calcium carbonate is needed to react completely with 69mL of 0.12 M HCL according to the following equation. 2HCl(aq)+CaCO3(aq)-->CaCl2(aq)+H2O(l)+CO2(g)
A buffer solution is prepared by adding 0.20 mole of NH3 and 0.30 mole of NH4Cl to enough H2O to make one liter of solution.
Aqueous solutions of ammonium sulfide, (NH4)2S, and Hg(NO3)2 react to produce HgS and NH4NO3. a. Write the overall balanced equation for the reaction. Indicate the state (s, aq) for each compound. b. Name each compound. c. What type of reaction is..
A student found that her mixture was 15% NH4Cl, 20% NACL, and 75% SiO2. Assuming her calculations are correct, what did she most likely do incorrectly in her experiment?
Explain the efffect of temperature on the solubility of gases in liquid? What effect does pressure have on the solubility of gases in liquid( Henry's Law)?
What mass of ammonium chloride (mm = 53.49 g/mol) must be added to 335 mL of 0.559 M NH3 to create a solution of pH 8.20
A solution is prepared by dissolving 297 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
A 47.60 g sample of liquid magnesium at 738.0 °C is poured into a mold and allowed to cool to 28.0 °C. How many kJ of energy are released in this proces
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C. His conditi..
To heat 236mL of water from 25 degrees celcius to 78 degrees celcius in 2.00 minutes what must be the heat rating of the heater, in kJ/min
if the initial [H2] = 0.200M, [I2] = 0.200M and Keq = 55.6 at 250°C calculate the equilibrium concentrations of all molecules.
Given: actual yield of Aspirin=1.47g Percent yield=51.8% Theoretical yield: 2.84 1.) a] How many grams of aspirin were lost in the washing process you used to purify your product, assuming you used 50 mL of water for washing? The solubility of asp..
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