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The following reactions occur at 500 K. Arrange them in order of increasing tendency to proceed to completion (least ? greatest tendency). 1. 2NOCl 2NO + Cl2 Kp = 1.7 × 10- 2 2. 2SO3 2SO2 + O2 Kp = 1.3 × 10 -5 3. 2NO2 2NO + O2 Kp = 5.9 × 10 -5 A) 2 < 1 < 3 B) 1 < 2 < 3 C) 2 < 3 < 1 D) 3 < 2 < 1 E) 3 < 1 < 2
How many moles of Fe(NO3)3 are required to prepare a 354.6 mL solution that is 9.737 moles/liter of NO3-?
Consider: 2 B5H9 (g) + 12 O2 (g) ? 5 B2O3 (g) + 9 H2O (g) ?H?reaction= - 8687 kJ. What is the enthalpy change when 0.2500 moles of B5H9 are combusted
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is tripled and that of Br- is tripled
Which of these is true about the following reaction?
According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant
What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below
A reaction is begun with a reaction mixture containing the following: [dye] = 1.0 x 10-4 M [bleach] = 0.10 M When [dye] = 8.0 x 10-5 M the rate is determined to be 3.74 x 10-7 M/min. When [dye] = 4.0 x 10-5 M the rate is determined to be 1.71 10-7..
Determine whether each of the following causes an increase or decrease in the activity of the electron transport chain. large difference in H+ concentration across the inner mitochondrial membrane
What mass of NaCl is needed to react with 35.0 mL of the same AgNO3 solution?
Which set of the following choices contains all the true statments and none of the false statements? a) The H atom and Be3+ ion each have one electron. Their line spectra are identical.
Calculate the pH at equivalence point when 40.0 ml of 0.50 M aniline is titrated with 30.0 ml of 0.67 M HBr. For aniline Kb=3.8x10exp-10
The standard free-energy difference between the two chair conformations of isopropylcyclohexane is 9.2 kJ mol-1 (2.2 kcal mol-1). What is the ratio of concentrations of the two conformations (axial and equatorial) at 25 °C
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