A temperature probe which follows first order behavior is subjected to a sudden temperature change occurs from 24.4 °C to 586 °C. After 3 seconds, the temperature of the probe is 341 °C. What is the t...
A temperature probe which follows first order behavior is subjected to a sudden temperature change occurs from 24.4 °C to 586 °C. After 3 seconds, the temperature of the probe is 341 °C. What is the time constant of this probe?
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A temperature probe which follows first order behavior is subjected to a sudden temperature change occurs from 24.4 °C to 586 °C. After 3 seconds, the temperature of the probe is 341 °C. What is the t...
Problem 2.22 (Multistep) A small space probe of mass 160 kg is launched from a spacecraft...
Problem 2.22 (Multistep) A small space probe of mass 160 kg is launched from a spacecraft near Mars. It travels toward the surface of Mars, where it will eventually land. At a time 22.7 seconds after it is launched, the probe is at location <4400, 7200, 0m, and at this same instant its momentum is <46000, -7600, 0> kg m/s. At this instant, thanat o on due to the gravitational pull of Mars plus the air resistance acting on the...
1) 2) 3) The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics...
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2)
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The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 3.84 X10-3-1. Starting with pure N204, how many minutes will it take for 38.0% to decompose? Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 2.90 M, what is the half-life of the reaction in seconds?...
Sectionl Proportional or Integral Control of First Order Process 2) A first-order gas pressure control process...
Sectionl Proportional or Integral Control of First Order Process 2) A first-order gas pressure control process with a time constant of 100 seconds is being controlled with a proportional-only controller with a gain of 1.5. At time - 0, the setpoint was instantly changed from 100 to 110 psig. Please determine the expected change of the controlled (pressure) variable after: a) 15 seconds b) 30 seconds c) 2 minutes d) 10 minutes Express your answer in psig. 3) In the...
6. The first-order decomposition of H:O2 at -30 °C occurs with a rate constant of 0.0165...
6. The first-order decomposition of H:O2 at -30 °C occurs with a rate constant of 0.0165 s. If we start the reaction with10.0 mol/L H:0 1) What is the rate half-life, ty2 of the reaction? 2) What will be the residual concentration of H O, after 5 minutes? 3) What will be the initial reaction rate and the reaction rate at 5 minute? 4) How long will it take for the concentration of H 02 to decrease to 2.5mo/L?
1a) The decomposition of hydrogen peroxide is first order in [H2O2]. After 60 min the [H2O2]...
1a) The decomposition of hydrogen peroxide is first order in [H2O2]. After 60 min the [H2O2] has fallen from 3.7 M to 3.4 M. The rate constant k, in min-1 , is A. 1.4 X 10-3 B. 6.1 X 10-4 C. 2.7 X 10-2 D. 8.3 X 10-3 E. 1.2 x 10-2 1b) What is the half-life, in seconds, of a first order reaction if 30% of the reactant has decomposed in 50 seconds? A. 50 B. 83 C. 26...
a.) The acceleration of a rocket fired vertically upwards t seconds after launch is 20+2t ms−2 (as a rocket burns fuel it becomes lighter, so accelerates more quickly). What is the second order differ...
a.) The acceleration of a rocket fired vertically upwards t seconds after launch is 20+2t ms−2 (as a rocket burns fuel it becomes lighter, so accelerates more quickly). What is the second order differential equation for the height of the rocket. h′′= b.) What is the general solution? (Please use A as the first constant of integration and B as the second): General solution: h = c.) Use the fact that at t = 0 the rocket was on the...
X-X dimer forms ·X radicals at high temperature in a first-order reaction, for which the rate...
X-X dimer forms ·X radicals at high temperature in a first-order reaction, for which the rate constant k = 2.31 h-1. (blank 1) What is the half-life for the reaction? (blank 2) How much of a sample of XX (MW = 45.03 g/mol) with mass of 5.44 g placed in a reaction vessel of 500. mL volume at the high temperature will remain after 0.700 hours? Answer to 3 sig figs with appropriate units in both answers.
The decomposition of a compound follows a first order kinetics with a rate constant of 0.0432...
The decomposition of a compound follows a first order kinetics with a rate constant of 0.0432 s^-1 at 500 degrees C. 1) if the initial concentration of starting material was 0.0500 M, what is the concentration after 1.4 min? 2) how long (in mins)will it take for the concentration of starting material to decrease from 0.750 M to 0.000250 M? 3) how long (in min) will it take to convert 32 percent of the starting material?
11 Properties of Radioactivity Prelaboratory Questions Name Laboratory Section 1. The decay behavior of a radioactive...
11 Properties of Radioactivity Prelaboratory Questions Name Laboratory Section 1. The decay behavior of a radioactive substance obeys first order kinetics: In (N/N.) = -kt, where N is the amount of radioactive nuclei at time = t seconds, N, is the amount at t = 0 seconds, k is the first order rate constant, and t is the elapsed time. If the half-life of the radioactive nuclei is 10 minutes, calculate the amount that remains after 75 seconds. (Hint: at...
The decay of radioactive cadmium follows first-order kinetics. A sample of radioactive cadmium has a half...
The decay of radioactive cadmium follows first-order kinetics. A sample of radioactive cadmium has a half life of 15 days. If you have a sample that originally weighed 40 g and later weighs 2.5 g, how much time elapsed between the initial and final masses? Given the following reaction: 2A (g) ↔ B (g) + C (g) ∆H˚ = +27 kJ K = 3.2 x 10-4 Which of the following would be true if the temperature were increased from 25˚C...
Problem 2.22 (Multistep) A small space probe of mass 160 kg is launched from a spacecraft near Mars. It travels toward the surface of Mars, where it will eventually land. At a time 22.7 seconds after it is launched, the probe is at location <4400, 7200, 0m, and at this same instant its momentum is <46000, -7600, 0> kg m/s. At this instant, thanat o on due to the gravitational pull of Mars plus the air resistance acting on the...
1)
2)
3)
The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 3.84 X10-3-1. Starting with pure N204, how many minutes will it take for 38.0% to decompose? Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 2.90 M, what is the half-life of the reaction in seconds?...
Sectionl Proportional or Integral Control of First Order Process 2) A first-order gas pressure control process with a time constant of 100 seconds is being controlled with a proportional-only controller with a gain of 1.5. At time - 0, the setpoint was instantly changed from 100 to 110 psig. Please determine the expected change of the controlled (pressure) variable after: a) 15 seconds b) 30 seconds c) 2 minutes d) 10 minutes Express your answer in psig. 3) In the...
6. The first-order decomposition of H:O2 at -30 °C occurs with a rate constant of 0.0165 s. If we start the reaction with10.0 mol/L H:0 1) What is the rate half-life, ty2 of the reaction? 2) What will be the residual concentration of H O, after 5 minutes? 3) What will be the initial reaction rate and the reaction rate at 5 minute? 4) How long will it take for the concentration of H 02 to decrease to 2.5mo/L?
11 Properties of Radioactivity Prelaboratory Questions Name Laboratory Section 1. The decay behavior of a radioactive substance obeys first order kinetics: In (N/N.) = -kt, where N is the amount of radioactive nuclei at time = t seconds, N, is the amount at t = 0 seconds, k is the first order rate constant, and t is the elapsed time. If the half-life of the radioactive nuclei is 10 minutes, calculate the amount that remains after 75 seconds. (Hint: at...
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