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3. The thermal decomposition of A, 2A + products is a second-order reaction. Given that the...
3. A reaction 2A 2B + C is known to follow second-order kinetics, with k =...
3. A reaction 2A 2B + C is known to follow second-order kinetics, with k = 7.20x10*M's' at 25.0 °C. (20 points) During one experiment, the initial concentration of A is [A]. = 0.120 M (a) Calculate the half-life (1,2), in hours, for this experiment. (b) Calculate the initial reaction rate (in M/s) for this reaction (4 points) (c) How long will it take (in hours) for the concentration of C to reach [C] = 0.0540 M (6 points) (d)...
The reaction 2A → A2 was experimentally determined to be second order with a rate constant,...
The reaction 2A → A2 was experimentally determined to be second order with a rate constant, k, equal to 0.0265 M–1min–1. If the initial concentration of A was 5.75 M, what was the concentration of A (in M) after 180.0 min?
The reaction 2A → A2 was experimentally determined to be second order with a rate constant,...
The reaction 2A → A2 was experimentally determined to be second order with a rate constant, k, equal to 0.0265 M–1min–1. If the initial concentration of A was 3.00 M, what was the concentration of A (in M) after 180.0 min? M ?
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at...
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take for [A]t = 3.10 × 10−3M? ______ min (b) Calculate the half-life of the reaction. _______ min 10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. a) Calculate...
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of...
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of compound X is 2.65 x 10-9 s', calculate the percentage of compound X that has decomposed in the first 2250 seconds after the reaction begins. (4 marks) (b) Consider the first order reaction: W2 → 2 Y. If [W2]=0.8 M initially and 0.17 M after 160 seconds, what will [W2] be after 350 seconds? (4 marks) (c) Data for the reaction 3A + 5B...
Sav The thermal decomposition of acetaldehyde, CH3CHO -- CH4 + Co, is a second-order reaction with...
Sav The thermal decomposition of acetaldehyde, CH3CHO -- CH4 + Co, is a second-order reaction with a rate constant of 6.67 x 10-2 M1s1 Starting with 1.00 M acetaldehyde, what is the half-life of this reaction? a. 7.0 5 b. 0.033s c. 0.067 s d. 1.0 x 10's e. 155 What is the boiling point of a solution containing 0.852 g naphthalene (C10H8, Molar Mass 128.2 g/mol) a nonvolatile, nonelectrolyte dissolved in 14.0 g benzene (Molar Mass = 78.1 g/mol)?...
The decomposition of XY is second order in XYand has a rate constant of 7.12×10−3 M−1⋅s−1...
The decomposition of XY is second order in XYand has a rate constant of 7.12×10−3 M−1⋅s−1 at a certain temperature. What is the half-life for this reaction at an initial concentration of 0.100 M? How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.100 M? How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial...
help The thermal decomposition of NOCl is a second-order process, and the rate constant k for...
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The thermal decomposition of NOCl is a second-order process, and the rate constant k for the disappearance of NOCI at 160 °C is 0.0037 Msl. What is the concentration of NOCI, initially at 0.043 M, after 20.0 minutes at 160 °C? (A) 0.00051 M (B) 0.036 M (C) 0.040 M (D) 0.042 M Bismuth-212 undergoes both a decay (35.9%) and B decay (64.1%) with an overall half-life of 60.6 minutes. What is its half-life for a decay? (A) 21.8...
The decomposition of nitrous oxide at 565 °C N2O(g)----> N2(g) + ½ O2(g) is second order...
The decomposition of nitrous oxide at 565 °C N2O(g)----> N2(g) + ½ O2(g) is second order in N2O. In one experiment, when the initial concentration of N2O was 0.790 M, the concentration of N2O dropped to 0.103 M after 5.21×10^3 seconds had passed. Based on these data, the rate constant for the reaction is _____________ M-1 s-1.
the decomposition of so2cl2 with a rate Need help. Don't understand CHM 1046 2. The decomposition...
the decomposition of so2cl2 with a rate
Need help. Don't understand
CHM 1046 2. The decomposition ofsoacl. s first order in sonch with a rate constant of 1.42x10 at a given temperature. b. lf the initial concentration of sozcizis0.150 M, what is the concentration after 300 seconds? 3. The decomposition of substance A is found to be second order at 700 "C with a rate constant of 7.02x103M st If the initial concentration of A is 0.125 M, what is...
3. A reaction 2A 2B + C is known to follow second-order kinetics, with k = 7.20x10*M's' at 25.0 °C. (20 points) During one experiment, the initial concentration of A is [A]. = 0.120 M (a) Calculate the half-life (1,2), in hours, for this experiment. (b) Calculate the initial reaction rate (in M/s) for this reaction (4 points) (c) How long will it take (in hours) for the concentration of C to reach [C] = 0.0540 M (6 points) (d)...
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of compound X is 2.65 x 10-9 s', calculate the percentage of compound X that has decomposed in the first 2250 seconds after the reaction begins. (4 marks) (b) Consider the first order reaction: W2 → 2 Y. If [W2]=0.8 M initially and 0.17 M after 160 seconds, what will [W2] be after 350 seconds? (4 marks) (c) Data for the reaction 3A + 5B...
Sav The thermal decomposition of acetaldehyde, CH3CHO -- CH4 + Co, is a second-order reaction with a rate constant of 6.67 x 10-2 M1s1 Starting with 1.00 M acetaldehyde, what is the half-life of this reaction? a. 7.0 5 b. 0.033s c. 0.067 s d. 1.0 x 10's e. 155 What is the boiling point of a solution containing 0.852 g naphthalene (C10H8, Molar Mass 128.2 g/mol) a nonvolatile, nonelectrolyte dissolved in 14.0 g benzene (Molar Mass = 78.1 g/mol)?...
help
The thermal decomposition of NOCl is a second-order process, and the rate constant k for the disappearance of NOCI at 160 °C is 0.0037 Msl. What is the concentration of NOCI, initially at 0.043 M, after 20.0 minutes at 160 °C? (A) 0.00051 M (B) 0.036 M (C) 0.040 M (D) 0.042 M Bismuth-212 undergoes both a decay (35.9%) and B decay (64.1%) with an overall half-life of 60.6 minutes. What is its half-life for a decay? (A) 21.8...
the decomposition of so2cl2 with a rate
Need help. Don't understand
CHM 1046 2. The decomposition ofsoacl. s first order in sonch with a rate constant of 1.42x10 at a given temperature. b. lf the initial concentration of sozcizis0.150 M, what is the concentration after 300 seconds? 3. The decomposition of substance A is found to be second order at 700 "C with a rate constant of 7.02x103M st If the initial concentration of A is 0.125 M, what is...
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