Many drugs decompose in blood by a first-order process. Two tablets of aspirin supply 0.60 g of the active compound. After 30 min, this compound reaches a maximum concentration of 2 mg/100 mL of blood. If the half-life for its breakdown is 90 min, what is its concentration (in mg/100 mL) 4.5 h after it reaches its maximum concentration?

Q: The decomposition of N205 is first-order in N205. If the half-life for the reaction is 18.6 min, how…

A: Since we know that, for different order of reactions, the relationship between the concentration of…

Q: The decomposition of N2O5 when heated in carbon tetrachloride solvent is a second order reaction.…

A:

Q: hat is the rate constant of a first-order reaction if the half-life is 6.14 n?

A: Half life of first order reaction is independent on initial concentration of reactant.      Given…

Q: rate constant

A:

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

A:

Q: The decomposition of sulfuryl chloride, SO2Cl2, to sulfur dioxide and chlorine gases is a…

A:

Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCI(g)- →NO(g) + ½ Cl2(g) is second order…

A:

Q: A certain first-order reaction has a rate constant of 0.00950 1/min at 300 K. What is the half-life…

A: Half life is the time when the concentration of reactants becomes half.

Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCl(g)NO(g) + ½ Cl2(g) is second order…

A:

Q: It has been found that DDT in the soil decomposes by a first-order reaction with a half-life of 12.0…

A:

Q: A certain medication contains 200 mg of active ingredient per tablet. The medication is metabolized…

A: Initial Amount = 200 mg  According to question 150 mg has been metabolised in the body &…

Q: The following chemical reaction: A → products shows first order kinetics with respect to A; rate =…

A: The objective of this question is to calculate the half-life of a first order reaction given the…

Q: The rate constant for the second-order reaction 2NOBr(g) -> 2N0 (g) + Br2(g) is 0.80 M-1s-1 at 10 °C…

A: the rate constant of different order reaction has different units.  So from unit of the rate…

Q: Sucrose (C12H22O11) hydrolyzes into glucose and fructose. The hydrolysis is a first-order reaction.…

A: We have to calculate mass of sucrose at time ,t= 1.73 hours .

Q: Sucrose (C12H22O11) hydrolyzes into glucose and fructose. The hydrolysis is a first-order reaction.…

A:

Q: half-life of a reaction, f/2, is the time it takes for the reactant concentration Alto ase by half.…

A: Given question is related to the rate equation of first order and second order reactions.

Q: The decomposition of N2O5 to NO2 and NO3 is a first-order gas-phase reaction. At 25°C, the reaction…

A:

Q: Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of…

A: First-order reaction: The rate of the first-order reaction depends only on one reactant. According…

Q: The decomposition of hydrogen iodide follows the equation: 2 HI (g) → H₂ (g) + I₂ (g) The reaction…

A:

Q: The second-order rate constant for the following gas-phase reaction is 0.042 1/M.s. We start with…

A:

Q: O5 - 4NO2 + O2 rate constant at a given temperature is found sl. If the initial concentration of…

A: For first order kinetics,  kt =  ln(A0/A) Where,  k = Rate constant          t = time =11 min =…

Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCl(g)NO(g) + ½ Cl2(g) is second order…

A:

Q: The first-order rate constant for the decomposition of CH3N₂CH3, CH3N₂CH3(g) → C₂H5(9) + N₂(g) at…

A:

Q: What is the activation energy in kJ/mol for this reaction?

A:

Q: Ethane dissociates into methyl radicals by a first order reaction at elevated temperatures. If 0.350…

A:

Q: The first-order reaction, SO,Cl2 → SO2 + Cl2, has a rate constant equal to 2.20 × 10° s1 at 593 K.…

A:

Q: What is the rate constant of a first-order reaction that takes 490 seconds for the reactant…

A: The time period in which the initial concentration of the reactants is reduced to half of its…

Q: The first-order reaction, SO₂Cl₂ → SO₂ + Cl₂, has a half-life of 8.75 hours at 593 K. How long in…

A:

Q: A biochemist studying the breakdown of the insecticide DDT finds that it decomposes by a first-…

A:

Q: :A tain first-order reaction (A-sproducts) has a rate constant of 5.70x10s' at 45 °C. How many…

A: For second order kinetics,  Half life(t1/2) = 1/k[Ao]      [Ao] = 1/k.t1/2   = 1/1.0×10-3× 218 =…

Q: Nitrogen dioxide undergoes thermal decomposition according to the second-order reaction 2 NO2(g) → 2…

A:

Q: The thermal decomposition of phosphine PH3 into phosphorus and molecular hydrogen is a first-order…

A:

Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCI(g)- →NO(g) + ½ Cl2(g) is second order…

A: Reaction follow second order kinetics., Rate Constant = 5.90 × 10-4 M-1 s-1 At Initially, [NOCl] =…

Q: what is the rate constant k value?

A:

Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 –…

A:

Q: A biochemist studying breakdown of the insecticide DDT finds that it decomposes by a first-order…

A: DDT is the short form of dichlorodiphenyltrichloroethane. It is an organochlorine compound which was…

Q: A first-order reaction has rate constant, k = 0.217 min-1. What is the half-life for the reaction?…

A: Given - - > k = 0.217 min-1   For first order reaction the half-life is as follows - - > t1/2…

Q: The hydrolysis of cisplatin is a first order reaction. Given that k = 2.50 x 10-5 s-1, what is the…

A: The hydrolysis of cisplatin is a first order reaction. Rate constant (k) = 2.50 x 10-5 s-1Half Life…

Q: How might you experimentally distinguish between a first-order and second-order kinetic reaction?

A: reaction order must be determined experimentally. follow the reaction by making measurement of the…

Q: The kinetics of a gas phase reaction of the form A → Products results in a rate constant of 0.00781…

A: Introduction Kinetics is the branch of chemistry that studies the rates of chemical reactions and…

Q: The decomposition of sulfuryl chloride, SO2Cl2, to sulfur dioxide and chlorine gases is a…

A:

Q: Under certain conditions the rate of this reaction is zero order in dis 2N₂O(g) 2N₂ (g) + 0₂ (8)…

A:

Q: Understanding the high-temperature formation and breakdown of the nitrogen oxides is essential for…

A:

Q: 6) NH¼NO3 decomposes according to the following reaction : NH4NO3(s) → N2O(g) + 2H2O(g) It is a…

A: Total pressure of the gas = 760 mm Hg or 1 atm Pressure of water vapours produced = 0.247 atm…

Q: 3. It takes 42.0 min for the concentration of a reactant in a first-order reaction to drop from 0.45…

A: Time = 42.0minute [a0]=0.45M [at]=0.25M

Q: A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics.…

A: Chemical Kinetic is a branch of chemistry in which we deal with speed at which rate of reaction…

Q: Sucrose (C12H22O11) hydrolyzes into glucose and fructose. The hydrolysis is a first-order reaction.…

A: First order reactions are the reactions in which the rate of the reaction depends only on the…