The reaction A(aq) ---> B(aq) + C(aq) is a first order reaction. The half-life of A(aq)...

The reaction A(aq) ---> B(aq) + C(aq) is a first order reaction. The half-life of A(aq) is 86.6 s at 25.0^oC and its half-life is 66.2 s at 45.0^oC. What is its half-life (in s) at 65.0^oC?

Expert Solution

Please give me better rattings.

Thank you.

queen_honey_blossom answered 7 months ago

(a) The reaction A(aq) → B(aq) is a first order reaction with respect to A(aq). The...

(a) The reaction A(aq) → B(aq) is a first order reaction with respect to A(aq). The concentration of A(aq) after 200.0 seconds of reaction is 0.960 M and the concentration of A(aq) after 1000.0 seconds of reaction is 0.738 M. What was the concentration of A(aq) after 661.0 seconds of reaction? (b) The reaction A(aq) → B(aq) + C(aq) is a first order reaction with respect to A(aq). The half-life of A(aq) is 74.5 s at 25.0oC. Its activation energy...

Suppose the half-life is 55.0 s for a first order reaction and the reactant concentration is...

Suppose the half-life is 55.0 s for a first order reaction and the reactant concentration is 0.0761 M 40.1 s after the reaction starts. How many seconds after the start of the reaction does it take for the reactant concentration to decrease to 0.0183 M?

The reaction A(aq) → 2 B(aq) is a second order reaction with respect to A(aq). Its...

The reaction A(aq) → 2 B(aq) is a second order reaction with respect to A(aq). Its activation energy is 41.3 kJ/mol. When the concentration of A(aq) is 0.100 M and the temperature is 25.0oC, the rate of reaction is 0.333 M/s. What is the rate of reaction when we increase the concentration of A(aq) to 0.272 M and we raise the temperature to 54.9 oC?

The reaction A → B + C is known to be first order in A. Below...

The reaction A → B + C is known to be first order in A. Below are data showing the concentration of A as a function of reaction time. Time, h [A], M 0.5 5.00 x 10-2 1 4.51 x 10-2 2 4.06 x 10-2 3 3.30 x 10-2 4 2.18 x 10-2 5 1.77 x 10-2 6 1.44 x 10-2 (a) What is the average rate of reaction between 0.5 and 2 h? Report the units as well as...

Suppose a chemical reaction is first order and has a half-life of 2.5 hr at 100...

Suppose a chemical reaction is first order and has a half-life of 2.5 hr at 100 ºC. Which of the following statements is false regarding this reaction if the temperature is changed? Question 5 options: A) The half-life at 125 ºC is 1.8 hr. B) The half-life at 275 ºC is 3.5 hr. C) The half-life at 75 ºC is 4.7 hr. D) Not enough information has been provided in order to make a conclusion.

Exercise 14.80 The half-life for the first-order decomposition of nitramide, NH2NO2(aq)→N2O(g)+H2O(l), is 123 min at 15∘C....

Exercise 14.80 The half-life for the first-order decomposition of nitramide, NH2NO2(aq)→N2O(g)+H2O(l), is 123 min at 15∘C. Part A If 170 mL of a 0.105 M NH2NO2 solution is allowed to decompose, how long must the reaction proceed to yield 46.0 mL of N2O(g) collected over water at 15∘C and a barometric pressure of 756 mmHg ? (The vapor pressure of water at 15∘C is 12.8 mmHg.) Express your answer using two significant figures. t = min Please show as much...

A certain first order reaction has a half-life of 0.35 hours. How long will it take...

A certain first order reaction has a half-life of 0.35 hours. How long will it take for 12.5 % of the reactant to react? For a certain first order reaction, it was found that after 35 seconds; only 15 % of the reactants had reacted. What is the numerical value of the rate constant? A certain first-order reaction has a half-life of 25 seconds. What percentage of the reactant will remain after 125 seconds? A certain first-order reaction has a...

A reaction in which A, B, and C react to form products is first order in...

A reaction in which A, B, and C react to form products is first order in A, second order in B, and zero order in C. Write a rate law for the reaction. Write a rate law for the reaction. Rate=k[A][B] Rate=k[A][B]2 Rate=k[A][B][C] Rate=k[A]2[B]3[C] Part B Part complete What is the overall order of the reaction? Part C By what factor does the reaction rate change if [A] is doubled (and the other reactant concentrations are held constant)? Rate2Rate1 =...

1) A first-order reaction has a half-life of 15.5 s . How long does it take...

1) A first-order reaction has a half-life of 15.5 s . How long does it take for the concentration of the reactant in the reaction to fall to one-eighth of its initial value? 2) The rate constant for a certain reaction is k = 4.30×10−3 s−1 . If the initial reactant concentration was 0.350 M, what will the concentration be after 8.00 minutes?

The reaction HCN (aq) + 2H2O (l) > NH4HCO2 (aq) is first order, and it's rate...

The reaction HCN (aq) + 2H2O (l) > NH4HCO2 (aq) is first order, and it's rate =k [HCN]. The rate constant k at 65°C is 8.06 ×10 -8 s-1. How long will it take for thr concentration of the HCN solution to drop from an initial 0.0800M to 0.0600M at this temperature? What is the half life of thr reaction

Question