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John Schreifels @GMU: When 8.824 g of glucose was dissolved in 103.7 g of benzene, the freezing point was 276.2 K. What is the formula mass of this compound? The freezing point depression constant for benzene is 5.12 (°C*kg)/mol. The melting point and boiling points are 5.50°C and 80.10°C, respectively.

@X@user.full_name@X@ @GMU: Determine the rate of formation of I2 if the initial concentration of IO3− was 0.3797 M and decreased to 0.3284 M after 0.2138 hours. Use the reaction below.IO3− + 5I− + 6H+ → 3I2 + 3H2O

@X@user.full_name@X@ @GMU: How many grams of sodium hydroxide, NaOH, would be required to prepare a 0.1536 m NaOH solution by combining this compound with 0.3007 L of water (assume a density of 1.00 g/mL)? The molecular weight is 39.9971 g/mol.

@X@user.full_name@X@ @GMU: A possible reaction mechanism for the reaction between nitric oxide and bromine is shown below. Which species listed below is an intermediate? (1) NO(g) + Br2(g) → NOBr2(g) Slow, rate determining (2) NO(g) + NOBr2(g) → 2NOBr(g) Fast, equilibrium

@X@user.full_name@X@ @GMU: What is the activation energy (in kJ/mol) for the reaction below if the rate constants are 1.300 M-1s-1 at 427.00°C and 2.33 M-1s-1 at 445.19°C?NO2(g) + CO(g) → NO(g) + CO2(g)

@X@user.full_name@X@ @GMU: Determine the rate of consumption of I− if the initial concentration of IO3− was 0.6164 M and decreased to 0.5670 M after 0.2017 hours. Use the reaction below.IO3− + 5I− + 6H+ → 3I2 + 3H2O

Consider the reaction.CCl4(g) ⇋ C(s) + 2Cl2(g)What is the correct expression for Kc?

@X@user.full_name@X@ @GMU: What is the solubility in g/L of He at a partial pressure of 456.0 torr, if the solubility at a partial pressure of 342.1 torr is 0.0006667 g/L?

@X@user.full_name@X@ @GMU: What is the value of Kc at 395.00 °C for the reaction below if Kp is 22.4336 at this temperature?CO(g) + Cl2(g) → COCl2(g)

Which of the following will be the least soluble in pentane,C5H12?