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The following reaction is initiated and the concentrations are measured after ten minutes: A(g) + 3 B(g) AB3(g); Kc = 1.33 x 10-2 [A] = 1.78 M [B] = 2.21 M [AB3] = 1.19 M Is the reaction in equilibrium? A) Yes B) No, because Q < K C) No, and the [AB3] must increase to establish equilibrium. D) No, because Q > K
A compound is constituted by mass of 52.1% carbon and 13.1% hydrogen, the rest being oxygen. Given that a volume of 5.33 L of this gas has a mass of 11.5 g at 13 °C and 110 kPa, find the molecular formula for this compound.
What is the percentage by mass of CH4 in the mixture. The standard enthalpies of combustion for CH4 and C2H6 are -890.3 kJ mol-1 and -1569.7 kJ mol-1, respectively.
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ô€• 2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
Explanation of Ratios, In an unsymmetrical alkene, the boron atom adds predominantly to the least substituted carbon atom. For example, 2-methyl-2-butene gives the products shown below.
A 100.0 mL sample of cold water at 21.3 C was added to a 75.0 mL sample of hot water at 55.1 C. Calculate the temperature of the warm water mixture.
A reaction that occurs with large decrease in enthalpy and small decrease in entropy. D. A reaction that occurs with any size increase in enthalpy and any size decrease in entropy.
Carbon dioxide makes up approximately 0.04% of the Earth's atmosphere. If you collect a 2.0L sample from the atmosphere at sea level (1.00 atm) on a warm day
Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of NO2(g).
Determine the change in Ssys for the process if the specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Match the detector or detectors that can be used in gas chromatography for the detection of the following list of analytes by dragging the detector into the box to the left of the analyte.
A soft drink contains 35 mg. of sodium in 316g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
The molar heat capacity of silver is 25.35 . How much energy would it take to raise the temperature of 8.80 of silver by 10.2
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