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[14.117] The rate of the reaction 4 PH3() → P4(3) + 6 H2(8) was studied by...
Consider the reaction 4 PH3(g) → P4(g) + 6 H2(g). If, in a certain experiment, over...
Consider the reaction 4 PH3(g) → P4(g) + 6 H2(g). If, in a certain experiment, over a specific time period, 0.0045 mole of PH3 is consumed in a 1.7-L container during each second of the reaction, what are the rates of production of P4 and H2 in this experiment? P4 mol L−1 s−1 H2 mol L−1 s−1
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate...
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate the activation energy, Eq, in kJ/mol for the reaction, given that the rate constant k (at 25 °C) = 0.00852 s 1 and k (at 50 °C) = 0.756 s 1. 231 kJ/mol 144 kJ/mol O 56.5 kJ/mol О 99.3 kJ/mol O 111 kJ/mol
13.20 The following gas-phase reaction was studied at 290°C by observing the change in pressure as...
13.20 The following gas-phase reaction was studied at 290°C by observing the change in pressure as a function of time in a constant-volume vessel: CICO,CC13(8) — 2COC12(8) Determine the order of the reaction and the rate con- stant based on the following data: Time (s) P (mmHg) 0 181 513 1164 15.76 18.88 22.79 27.08 where P is the total pressure.
6) The following gas-phase reaction was studied at 290°C by observing the change in pressure as...
6) The following gas-phase reaction was studied at 290°C by observing the change in pressure as a function of time in a constant-volume vessel: Determine the order of the reaction and the rate constant based on the following data: Time (s) Partial Pressure of CICO CCls (mmHg) 181 513 1164 15.76 12.64 8.73 4.44
4) The following gas-phase reaction was studied at 290 C by observing the change in pressure...
4) The following gas-phase reaction was studied at 290 C by observing the change in pressure as a function of time in a constant-volume vessel: ClC02CCI3(g)-→ 2C0C12(g) Determine the order of the reaction and the rate constant based on the following data: Time (s) Partial Pressure of CICO2CCl3 (mmHg) 181 513 1164 15.76 12.64 8.73 4.44
The rate constant for the gaseous reaction H2(g) + I2(g) → 2HI(g) is 2.42 × 10−2/(M·s)...
The rate constant for the gaseous reaction H2(g) + I2(g) → 2HI(g) is 2.42 × 10−2/(M·s) at 400°C. Initially an equimolar sample of H2 and I2 is placed in a vessel at 400°C and the total pressure is 1690 mmHg. (a) What is the initial rate (M·min) of formation of HI? (__________) (b) What are the rate of formation of HI and the concentration of HI (in molarity) after 13.4 min? Rate of formation = (_______) (c) [HI] = (_______)...
The decomposition reaction: 2N2O5 (g) --> 4 NO2 (g) + O2 (g) has a rate constant...
The decomposition reaction: 2N2O5 (g) --> 4 NO2 (g) + O2 (g) has a rate constant kr = 0.1217 hr^–1 A reaction vessel of fixed volume is first evacuated and then filled with N2O5 to an initial pressure of 1.00 atm. The decomposition reaction is then initiated. (a) What are the partial pressures of each of the three gases in the reaction vessel when the total pressure is 1.30 atm? (b) At what time would you expect the total pressure...
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is...
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
False True False 3. According to Collision Theory, surface area is directly related to reaction rate True 4. Acc...
False True False 3. According to Collision Theory, surface area is directly related to reaction rate True 4. According to Collision Theory, reaction temperature is indirectly related to reaction rate 5. Determine the equilibrium constant K for the following reaction: H(aq) + OH (aq) = H2O (1) Koq = 6. Determine the value of K, for the reaction CH4 (g) + 2H,S(g) = where [CH] = 0.0005M, [HS] =0.065M, [CS2] = 0.0025M, [H2) = 0.126M CS, (g) + 4H, (g)...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s)...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s) + H2O(g) AH° = -90 kJ Circle the change expected for each of the following to reestablish equilibrium: a. Add CO2 to the equilibrium mixture form more form more no change products reactants b. Compress the equilibrium mixture at constant temperature. (smaller volume) form more form more no change products reactants c. Heat the equilibrium mixture form more form more no change products reactants...
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate the activation energy, Eq, in kJ/mol for the reaction, given that the rate constant k (at 25 °C) = 0.00852 s 1 and k (at 50 °C) = 0.756 s 1. 231 kJ/mol 144 kJ/mol O 56.5 kJ/mol О 99.3 kJ/mol O 111 kJ/mol
13.20 The following gas-phase reaction was studied at 290°C by observing the change in pressure as a function of time in a constant-volume vessel: CICO,CC13(8) — 2COC12(8) Determine the order of the reaction and the rate con- stant based on the following data: Time (s) P (mmHg) 0 181 513 1164 15.76 18.88 22.79 27.08 where P is the total pressure.
6) The following gas-phase reaction was studied at 290°C by observing the change in pressure as a function of time in a constant-volume vessel: Determine the order of the reaction and the rate constant based on the following data: Time (s) Partial Pressure of CICO CCls (mmHg) 181 513 1164 15.76 12.64 8.73 4.44
4) The following gas-phase reaction was studied at 290 C by observing the change in pressure as a function of time in a constant-volume vessel: ClC02CCI3(g)-→ 2C0C12(g) Determine the order of the reaction and the rate constant based on the following data: Time (s) Partial Pressure of CICO2CCl3 (mmHg) 181 513 1164 15.76 12.64 8.73 4.44
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
False True False 3. According to Collision Theory, surface area is directly related to reaction rate True 4. According to Collision Theory, reaction temperature is indirectly related to reaction rate 5. Determine the equilibrium constant K for the following reaction: H(aq) + OH (aq) = H2O (1) Koq = 6. Determine the value of K, for the reaction CH4 (g) + 2H,S(g) = where [CH] = 0.0005M, [HS] =0.065M, [CS2] = 0.0025M, [H2) = 0.126M CS, (g) + 4H, (g)...
6. (8 points, 2 points each) Consider the following reaction: CO2(g) + 2 NH3(g) = CO(NH2)2(s) + H2O(g) AH° = -90 kJ Circle the change expected for each of the following to reestablish equilibrium: a. Add CO2 to the equilibrium mixture form more form more no change products reactants b. Compress the equilibrium mixture at constant temperature. (smaller volume) form more form more no change products reactants c. Heat the equilibrium mixture form more form more no change products reactants...
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