The density of a 0.84 M aqueous sugar (C12H22O11) solution is 1.12 g/mL at 25°C. What is the molality? The molar mass of C12H22O11 = 342.3 g/mol.
Dinitrogen tetroxide decomposes to produce nitrogen dioxide: N2O4 (g) ↔ 2 NO2 (g)
Calculate the equilibrium constant for the reaction given the equilibrium concentrations at 100°C:
[N2O4] = 0.800 M and [NO2] = 0.400 M
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The density of a 0.84 M aqueous sugar (C12H22O11) solution is 1.12 g/mL at 25°C. What...
The density of a 0.84 M aqueous sugar (C12H22O11) solution is 1.12 g/mL at 25°C. What is the molal concentration? The molar mass of C12H22O11 = 342.3 g/mol.
Dinitrogen tetroxide decomposes to produce nitrogen dioxide: N204 (9) - 2 NO2 (g) Calculate the equilibrium constant for the reaction given the equilibrium concentrations at 100°C: [N204] = 0.800 M and [NO2] = 0.400 M A. 5.00 OB.0.200 OC. 0.500 OD.2.00
When heated, colorless dinitrogen tetraoxide, N2O4(g), decomposes into red-brown nitrogen dioxide, NO2(g), according to the following reaction: N204 (g) + 2 NO2 (g) Suppose that 2.00 mol of N204(g) was placed into an empty 5.00-L flask and heated to 407 K. When equilibrium was attained, the concentration of red-brown NO2(g) was found to be 0.525 M. Calculate the equilibrium constant, K, for this reaction at 407 K. 3.80 2.00 0.500 0.263 0.525
________________________________________________________________________ The reaction 3A(g)B(s)2C(aq)D(ag) occurs at 25°C in a flask, which has 3.01 L available for gas. After the reaction attains equilibrium, the amounts (mol) or concentrations (M) of substances are as follows: 6.13 mol A, 2.37 M C 1.90 mol B, 3.10 M D What is the equilibrium constant Ke for this reaction at 25°C? You place S.49 mol of dinitrogen trioxide, N2O3, into a flask where it decomposes at 25.0°C and 1.00 atm N203 (9)NO2(g) NO(g) What is...
1a. An aqueous solution has a Molarity of 1.632 M. The density of the solution is (1.150x10^0) g/mL and the solute has a molar mass of (1.33x10^2) g/mol. What is the molality of this solution? 1b. An aqueous solution has a mass percent of solute of 18.4%. The density of the solution is (1.400x10^0) g/mL and the solute has a molar mass of (1.77x10^2) g/mol. What is the molality of this solution? 1c. An aqueous solution has a molality of...
Calculate the change in the standard free energy for the following reaction: Znc+Cu?" (aq) (a + Cu Zn? Standard Reduction Potentials (al +2e-Zn(s) E-0.763 V (a) +2e - Cu Ered -0.337 V O A. 175 kJ/mol OB. 81.0 kJ/mol OC - 212 kl/mol OD. - 106 kJ/mol QUESTION 34 The density of a 0.84 M aqueous sugar (C12H22011) solution is 1.12 g/mL at 25°C What is the molal concentration (molality)? The molar mass of C12H22011 - 342.3 g/mol. O A...
What is the molality of a 0.735 M aqueous ZnCl2 solution with a density of 1.102 g solution/mL solution. Assume the density of pure water is 1.00 g/mL. The molar mass of ZnCl2 is 136.29 g/mol.
An aqueous solution was made up by dissolving 34.5 g of sucrose, C12H22O11, in enough water to make 250 cm^3 of solution. The mass density of the resulting solution was 1040 kg/m^3. Calculate the molar concentration and molarity of sucrose in the solution. Answer: 0,388 mol/kg
7. At 20°C, a 2.32 M aqueous solution of ammonium chloride has a density of 1.0344 g/mL. What is the molality of ammonium chloride in the solution? The formula weightof NH4Cl is 53.50 g/mol
What is the molarity(M) of a aqueous solution containing 22.5 g of sucrose(C12H22O11) in 35.5 mL of solution