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please someone help me with question 2. thank you
2. For a second-order reaction where Alaal...
Hello! Can someone help me with this question? Thank you! 6 Consider the following equilibrium at...
Hello! Can someone help me with this question? Thank
you!
6 Consider the following equilibrium at 200 °C in an 80.0 L vessel. 2 NO2 (8) H 2NO(g) + O2(g) At equilibrium, there are 1.88 mol of NO2, 0.120 mol NO, and 0.0600 mol O2 in the reaction vessel Calculate Kc for the reaction at this temperature.
The reaction 2A → B is second order with a rate constant of 51.0/M · min...
The reaction 2A → B is second order with a rate constant of 51.0/M · min at 24 ° C. (a) Starting with [A]0 = 9.30 ×10−3M, how long will it take for [A]t = 2.80 ×10−3M? min (b) Calculate the half-life of the reaction. min
Be sure to answer all parts. The reaction 2A B is second order with a rate...
Be sure to answer all parts. The reaction 2A B is second order with a rate constant of 51.0/M-min at 24°C. (a) Starting with [Alo 8.90 x 10 M, how long will it take for [A],3.30 x 103 M? min (b) Calculate the half-life of the reaction. min
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...
please help me with both. TIA The following chemical reaction: A → products shows zero order...
please help me with both. TIA
The following chemical reaction: A → products shows zero order kinetics with respect to A; rate = k[A]º. if k = 9.65 x 10-3 moll's and the initial concentration of A is 0.622 mol L-1, what is the half life of this reaction in minutes? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104 should be...
[time] [Z] 4. Suppose the data shown are for the second order reaction: → products. What...
[time] [Z] 4. Suppose the data shown are for the second order reaction: → products. What is the value of the rate constant k? O min 50.000 atm 6.250 3.333 2.273. 5. For a first order reaction (G - products) with k = 0.173 min', suppose a chemist runs the reaction starting with an initial concentration [G]. = 12.0 M. a. How many minutes will it take for [G] to decrease to 4.70 M? b. What [G] will remain after...
Could I get help on part B 3a. A certain first-order reaction is 35.5% complete in...
Could I get help on part B
3a. A certain first-order reaction is 35.5% complete in 4.90 minutes at 25°C. What is its rate constant e-kt K,=0.0895 min 64.5% min - 10 0.645 1.00 to = 8.95 x 100% 4.905 -0.0895 min 3b. If a first-order reaction has an activation energy of 104,600 J/mole and an A value of 5 x 10 sec !, at what temperature will the reaction have a half-life of 1 min? What about 30 days?
Hi! Can someone help me with this question? Thank you! How will the activation energy and...
Hi!
Can someone help me with this question? Thank you!
How will the activation energy and the rate constant change if
a catalyst is added at 323 K?
(c) How will the activation energy and the rate constant change if a catalyst is added at 323 K?
This is the third time I've posted this question. Can someone please help me with the...
This is the third time I've
posted this question. Can someone please help me with the top one.
I slipped in a similar example. And the answer is not 2.4135
Consider the following cell reaction Fe(s)2 H ? M)-Fe2(100 M) +H>(g\1.00 atm) If the cell potential at 298 K is 0.307 volts, what is the pH of the hydrogen electrode? pH Consider the following cell reaction Ni(s)2 H (? M) Ni(100 M)Hg100 atm) If the cell potential at 298 K...
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate...
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate constant. a. The rate constant of a first-order reaction is 2.43 × 10–2 min–1. What is the half-life of the reaction? (2 points) b. A first-order reaction has a rate constant of 0.547 min-1. How long will it take a reactant concentration 0.14 M to decrease to 0.07 M? (2 points) c. The half-life of a first-order reaction is 5.47 min. What is the...
Hello! Can someone help me with this question? Thank
you!
6 Consider the following equilibrium at 200 °C in an 80.0 L vessel. 2 NO2 (8) H 2NO(g) + O2(g) At equilibrium, there are 1.88 mol of NO2, 0.120 mol NO, and 0.0600 mol O2 in the reaction vessel Calculate Kc for the reaction at this temperature.
Be sure to answer all parts. The reaction 2A B is second order with a rate constant of 51.0/M-min at 24°C. (a) Starting with [Alo 8.90 x 10 M, how long will it take for [A],3.30 x 103 M? min (b) Calculate the half-life of the reaction. min
please help me with both. TIA
The following chemical reaction: A → products shows zero order kinetics with respect to A; rate = k[A]º. if k = 9.65 x 10-3 moll's and the initial concentration of A is 0.622 mol L-1, what is the half life of this reaction in minutes? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104 should be...
[time] [Z] 4. Suppose the data shown are for the second order reaction: → products. What is the value of the rate constant k? O min 50.000 atm 6.250 3.333 2.273. 5. For a first order reaction (G - products) with k = 0.173 min', suppose a chemist runs the reaction starting with an initial concentration [G]. = 12.0 M. a. How many minutes will it take for [G] to decrease to 4.70 M? b. What [G] will remain after...
Could I get help on part B
3a. A certain first-order reaction is 35.5% complete in 4.90 minutes at 25°C. What is its rate constant e-kt K,=0.0895 min 64.5% min - 10 0.645 1.00 to = 8.95 x 100% 4.905 -0.0895 min 3b. If a first-order reaction has an activation energy of 104,600 J/mole and an A value of 5 x 10 sec !, at what temperature will the reaction have a half-life of 1 min? What about 30 days?
Hi!
Can someone help me with this question? Thank you!
How will the activation energy and the rate constant change if
a catalyst is added at 323 K?
(c) How will the activation energy and the rate constant change if a catalyst is added at 323 K?
This is the third time I've
posted this question. Can someone please help me with the top one.
I slipped in a similar example. And the answer is not 2.4135
Consider the following cell reaction Fe(s)2 H ? M)-Fe2(100 M) +H>(g\1.00 atm) If the cell potential at 298 K is 0.307 volts, what is the pH of the hydrogen electrode? pH Consider the following cell reaction Ni(s)2 H (? M) Ni(100 M)Hg100 atm) If the cell potential at 298 K...
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