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Could someone please guide me through these problems? Correct answers are highlighted. 9. Calculate the total...
Could someone please guide me through these problems? Correct
answers are highlighted.
9. Calculate the total vapor pressure (in Torr) at 50°C of an ideal solution of methanol (CH3OH) and propanol (C3H7OH) in which the mass % concentration of methanol is 58.0%. The vapor pressure at 50°C of methanol is 416.3 Torr and that of propanol is 179.3 Torr. d) 315.8 b) 278.8 a) 350.3 c) 300.3 e) 239.8 12. The standard enthalpy of combustion of acetic acid, CH3COOH (1),...
Please answer the relaxation time question correctly with the correct units asked in the question...
please answer the relaxation time question correctly with the
correct units asked in the question. thank you
The pKa of NH4+ is 9.25 at 25°C. The rate constant at 25°C for the reaction of NH4+ and OH- to form aqueous NH3 is 4.0x1010 dm3 mol-1 s- Calculate the rate constant for proton transfer to NH3. What relaxation time would be observed if a temperature jump were applied to a solution of 0.13 mol dm-3 NH3(aq) at 25°C? 0.027 ns
The...
Physical chemistry problem The Answer is (A) Please by steps, thanks 10. A second order reaction...
Physical chemistry problem
The Answer is (A)
Please by steps, thanks
10. A second order reaction in solution has a rate constant of 8.575 x 10-M's' (at 65 °C) and an activation energy (also at 65 °C) of 3.40 kJ mol!. What is the entropy of activation, AS7, in J K- mol-?? A) -322.1 B) 322.1 C) -325.3 -322.1 E) -333.6
PLEASE PLEASE,ONLY ANSWER THIS QUESTION IF YOU COULD GIVE ME THE MATLAB CODE.THANK YOU. Consider the...
PLEASE PLEASE,ONLY ANSWER THIS QUESTION IF YOU COULD
GIVE ME THE MATLAB CODE.THANK YOU.
Consider the following Ordinary Differential Equation (ODE): dy = 3.0*** + 1.08 * 210 – 3* y2 dat with initial condition at point xo = 0.375: Yo = 0.0044 Apply Runge-Kutta method of the second order with h = 0.25 and the set of parameters given below to approximate the solution of the ODE at the three points given in the table below. Fill in the...
Please answer questions 1 and 2 on The rate constant for the reaction answered A +...
Please answer questions 1 and 2
on The rate constant for the reaction answered A + B->C out of 1.0 is 4.1 x104 U(mol s) at 593 K. The activation energy is 101 kj/mol. question Determine the temperature when the rate constant is 1.2 x10-3 L/(mol s)- Answer: 2 One (often inaccurate) rule of thumb in biology is that a 10 °C change increases the rate by a factor of ten. If the lower temperature is 3 °C, what activation...
could someone please help me with the calculations. im very confused 2. The heat of solution...
could someone please help me with the calculations. im very
confused
2. The heat of solution of 10 M H,SO Data Trail 1, Trail 2 222 22.1°C 23.0°C 22.8°C 31.500 / 630.0°c Initial temperature of IO MH,SO (10 mL in a graduated cylinder) Initial temperature of water in calorimeter 1 (90 mL deionized water) Final temperature of calorimeter 1 (90 ml water + added 10 mL H,SO) Triali Trial 2 Calculations (a) Temperature change of water in calorimeter 1 (ATC...
Please help me answer these two questions I keep getting them wrong. Will rate your answer...
Please help me answer these two questions I keep getting them
wrong. Will rate your answer if correct!
1.
2.
[Review Topics] 25 20 E 15 10 Reaction progress Use the reaction energy diagram above to answer the following questions calculate the activation energy, AG t for the step C to B kcal mol calculate the overall energy change. AGo, for the process B to A kcal/mol which step is faster, (a B to A or (b) B to C?...
Just give me the answers, don't write up a whole step by step, just give me...
Just give me the answers, don't write up a whole step by step, just
give me the correct answer to all the questions
CHE 202113Exam 2 Mar 15, Spring 2017 species is 15 AYO 106 392 Reaction Progress 16) What is the activation energy for the formation of ozone? A) 14 kl 392 kJ D) none of these 17 The decomposition of dinitrogen pentoxide is described by the chemical equation 2N205(g) 4 If the rate of disappearance of N205 is...
1] The activation energy of an uncatalyzed reaction is 99 kJ/mol . The addition of a...
1] The activation energy of an uncatalyzed reaction is 99 kJ/mol . The addition of a catalyst lowers the activation energy to 56 kJ/mol . a] Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 27 ∘C? Express the ratio to two significant digits. b] Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 139 ∘C?...
1.At 25 °C, a reaction produces a product at the rate of 0.880 mol/Lhr. if the...
1.At 25 °C, a reaction produces a product at the rate of 0.880 mol/Lhr. if the activation energy is 80 KJ/mol what will the reaction rate be at 49 °C? 3. A reaction has a rate constant of 1.34 x 10-3 L mol-1min-1 at 25 °C, and a rate constant of 1.61 x 10-2 L mol-1min-1 at 45 °C. What is the activation energy for the reaction? Give your answer to 3 significant figures.
Could someone please guide me through these problems? Correct
answers are highlighted.
9. Calculate the total vapor pressure (in Torr) at 50°C of an ideal solution of methanol (CH3OH) and propanol (C3H7OH) in which the mass % concentration of methanol is 58.0%. The vapor pressure at 50°C of methanol is 416.3 Torr and that of propanol is 179.3 Torr. d) 315.8 b) 278.8 a) 350.3 c) 300.3 e) 239.8 12. The standard enthalpy of combustion of acetic acid, CH3COOH (1),...
please answer the relaxation time question correctly with the
correct units asked in the question. thank you
The pKa of NH4+ is 9.25 at 25°C. The rate constant at 25°C for the reaction of NH4+ and OH- to form aqueous NH3 is 4.0x1010 dm3 mol-1 s- Calculate the rate constant for proton transfer to NH3. What relaxation time would be observed if a temperature jump were applied to a solution of 0.13 mol dm-3 NH3(aq) at 25°C? 0.027 ns
The...
Physical chemistry problem
The Answer is (A)
Please by steps, thanks
10. A second order reaction in solution has a rate constant of 8.575 x 10-M's' (at 65 °C) and an activation energy (also at 65 °C) of 3.40 kJ mol!. What is the entropy of activation, AS7, in J K- mol-?? A) -322.1 B) 322.1 C) -325.3 -322.1 E) -333.6
PLEASE PLEASE,ONLY ANSWER THIS QUESTION IF YOU COULD
GIVE ME THE MATLAB CODE.THANK YOU.
Consider the following Ordinary Differential Equation (ODE): dy = 3.0*** + 1.08 * 210 – 3* y2 dat with initial condition at point xo = 0.375: Yo = 0.0044 Apply Runge-Kutta method of the second order with h = 0.25 and the set of parameters given below to approximate the solution of the ODE at the three points given in the table below. Fill in the...
Please answer questions 1 and 2
on The rate constant for the reaction answered A + B->C out of 1.0 is 4.1 x104 U(mol s) at 593 K. The activation energy is 101 kj/mol. question Determine the temperature when the rate constant is 1.2 x10-3 L/(mol s)- Answer: 2 One (often inaccurate) rule of thumb in biology is that a 10 °C change increases the rate by a factor of ten. If the lower temperature is 3 °C, what activation...
could someone please help me with the calculations. im very
confused
2. The heat of solution of 10 M H,SO Data Trail 1, Trail 2 222 22.1°C 23.0°C 22.8°C 31.500 / 630.0°c Initial temperature of IO MH,SO (10 mL in a graduated cylinder) Initial temperature of water in calorimeter 1 (90 mL deionized water) Final temperature of calorimeter 1 (90 ml water + added 10 mL H,SO) Triali Trial 2 Calculations (a) Temperature change of water in calorimeter 1 (ATC...
Please help me answer these two questions I keep getting them
wrong. Will rate your answer if correct!
1.
2.
[Review Topics] 25 20 E 15 10 Reaction progress Use the reaction energy diagram above to answer the following questions calculate the activation energy, AG t for the step C to B kcal mol calculate the overall energy change. AGo, for the process B to A kcal/mol which step is faster, (a B to A or (b) B to C?...
Just give me the answers, don't write up a whole step by step, just
give me the correct answer to all the questions
CHE 202113Exam 2 Mar 15, Spring 2017 species is 15 AYO 106 392 Reaction Progress 16) What is the activation energy for the formation of ozone? A) 14 kl 392 kJ D) none of these 17 The decomposition of dinitrogen pentoxide is described by the chemical equation 2N205(g) 4 If the rate of disappearance of N205 is...
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