1a. Hydrogen iodide decomposes when heated, forming H2 (g) and I2 (g). The rate law for...
1a. Hydrogen iodide decomposes when heated, forming H2 (g) and I2 (g). The rate law for this reaction is -delta[HI]/delta t = k[HI]^2. At 443 °C, k=30.L/molxmin. If the initial HI (g) concentration is 5.5x10^-2 mol/L, what concentration of HI (g) will remain after 10. minutes?
Concentration = ____ mol/L
1b. The decomposition of SO2Cl2
SO2Cl2 (g) ----> SO2 (g) + Cl2 (g)
is first-order in SO2Cl2, and the reaction has a half-life of 245 minutes at 600 K. If you begin with 3.8x10^-3 mol SO2Cl2, in 1.0-L flask, how long will it take for the amount of SO2Cl2 to decrease to 1.08x10^-4 mol?
Time = ____ min
Homework Answers
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1a. Hydrogen iodide decomposes when heated, forming H2 (g) and
I2 (g). The rate law for...
1a. At 573 K, gaseous NO2 decomposes, forming NO(g) and O2. If a vessel containing NO2(g)...
1a. At 573 K, gaseous NO2 decomposes, forming NO(g) and O2. If a vessel containing NO2(g) has an initial concentration of 0.056 mol/L, how long will it take for 75% of the NO2(g) to decompose? The decomposition of NO2(g) is second-order in the reactant, and the rate constant for this reaction, at 573 K, is 1.1 L/mol · s. = ___ s 1b. The decomposition of ammonia on a metal surface to form N2 and H2 is a zero-order reaction....
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Sulfuryl chloride, SO2Cl2, on heating decomposes to Sulfurdioxide and Chlorine gases. SO2Cl2 (g) ⇄ SO2 (g) + Cl2 (g) K = 0.045 at 375 oC 15.0 g of SO2Cl2 is placed in a 1.00 L flask and heated to 375 oC. What is the concentration of SO2Cl2 at equilibrium. Please report answer with steps and with 3 decimal places (no scientific notation). Thank you
When HI(g) is heated to 700 K, it reversibly decomposes to H2(g) and I2(g). The reaction...
When HI(g) is heated to 700 K, it reversibly decomposes to H2(g) and I2(g). The reaction is- 2 HI(g) ⇌ H2(g) + I2(g). A 15.00-L vessel at 700 K initially contains HI(g) at a pressure of 4.00 atm. When equilibrium is reached, it is found that the partial pressure of H2(g) is 0.387 atm. What is the partial pressure of HI(g) at equilibrium? A) 4.00 atm B) 3.61 atm C) 3.23 atm D) 4.39 atm E) 0.387 atm
Hydrogen iodide gas decomposes into hydrogen gas and iodine gas at 453°C
Hydrogen iodide gas decomposes into hydrogen gas and iodine gas at 453°C. If a 2.00 L flask is filled with 0.200 mol of hydrogen iodide gas, 0.156 mol hydrogen iodide remains at equilibrium. What is the equilibrium constant, Kc. for the reaction at this temperature? 2 HI (g) ⇌ H2 (g)+ I2 (8) 0.020 0.0062
Hydrogen iodide decomposes according to the reaction 2 HI(g) = H2(g) +1268) A sealed 1.50-L container...
Hydrogen iodide decomposes according to the reaction 2 HI(g) = H2(g) +1268) A sealed 1.50-L container initially holds 0.00623 mol of H2, 0.00414 mol of 12, and 0.0244 mol of HI at 703 K. When equilibrium is reached, the concentration of H2(g) is 0.00467 M. What are the concentrations of HI(g) and 12(g)? 112le [HI]
At 500°C, hydrogen iodide decomposes according to 2 HI(g) = H2(g) +12(9) For HI(9) heated to...
At 500°C, hydrogen iodide decomposes according to 2 HI(g) = H2(g) +12(9) For HI(9) heated to 500 °C in a 1.00 L reaction vessel, chemical analysis determined these concentrations at equilibrium: [H, 1 = 0.383 M, L1=0.383 M, and [HI] = 3.24 M. If an additional 1.00 mol of HI(g) is introduced into the reaction vessel, what are the equilibrium concentrations after the new equilibrium has been reached?
The gas phase decomposition of hydrogen iodide at 700 K HI(g)½ H2(g) + ½ I2(g) is...
The gas phase decomposition of hydrogen iodide at 700 K
HI(g)½
H2(g) + ½ I2(g)
is second order in HI with a
rate constant of 1.20×10-3
M-1 s-1.
If the initial concentration of HI is
2.22 M, the concentration of HI
will be _____________________M after
2.21×103 seconds have
passed.
Hydrogen iodide decomposes slowly to H2 and I2 at 600 K. The reaction is second order...
Hydrogen iodide decomposes slowly to H2 and I2 at 600 K. The reaction is second order in HI and the rate constant is 9.7×10−6M−1s−1. Part A What is the half-life (in days) of this reaction when the initial HI concentration is 0.120 M ? Express your answer using two significant figures. t1/2 t 1 / 2 = days Previous AnswersRequest Answer Incorrect; Try Again; 4 attempts remaining Part B How many days does it take for the concentration of HI...
Kc for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g) + I2(g) ⇌...
Kc for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g) + I2(g) ⇌ 2HI(g) is 54.3 at 430°C. Determine the initial and equilibrium concentration of HI if initial concentrations of H2 and I2 are both 0.10 M and their equilibrium concentrations are both 0.052 M at 430°C
he rate constant for the formation of hydrogen iodide from the elements H2(g) + I2(g) →...
he rate constant for the formation of hydrogen iodide from the elements H2(g) + I2(g) → 2HI(g) is 2.7 × 10–4 L/(mol∙s) at 600 K and 3.5 × 10–3 L/(mol∙s) at 650 K. Find the activation energy Ea. J/mol Then calculate the rate constant at 684 K. L/(mol•s)
Hydrogen iodide decomposes according to the reaction 2 HI(g) = H2(g) +1268) A sealed 1.50-L container initially holds 0.00623 mol of H2, 0.00414 mol of 12, and 0.0244 mol of HI at 703 K. When equilibrium is reached, the concentration of H2(g) is 0.00467 M. What are the concentrations of HI(g) and 12(g)? 112le [HI]
At 500°C, hydrogen iodide decomposes according to 2 HI(g) = H2(g) +12(9) For HI(9) heated to 500 °C in a 1.00 L reaction vessel, chemical analysis determined these concentrations at equilibrium: [H, 1 = 0.383 M, L1=0.383 M, and [HI] = 3.24 M. If an additional 1.00 mol of HI(g) is introduced into the reaction vessel, what are the equilibrium concentrations after the new equilibrium has been reached?
The gas phase decomposition of hydrogen iodide at 700 K
HI(g)½
H2(g) + ½ I2(g)
is second order in HI with a
rate constant of 1.20×10-3
M-1 s-1.
If the initial concentration of HI is
2.22 M, the concentration of HI
will be _____________________M after
2.21×103 seconds have
passed.
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