The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 74 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 0.16 ug/mL. What will the concentration be 296 minutes later? Round your answer to 2 significant digits.

The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 74 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 0.16 ug/mL. What will the concentration be 296 minutes later? Round your answer to 2 significant digits.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 75 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 1.2 ug/mL. What will the concentration be 150 minutes later? Round your answer to 2 significant digits. ug x10 mL
20
At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.657 s ': 2HI (g) → H, (g) + I, (g) Suppose a vessel contains HI at a concentration of 0.570M. Calculate the concentration of HI in the vessel 1.10 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. x10
The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 41 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 0.35 µg/mL. What will the concentration be 123 minutes later? Round your answer to 2 significant digits. e ml. 0.8
The recombination reaction2 HO2(g) → H2O2(g) + O2(g)has a second-order rate constant of 1.7E9 M-1 s-1. Calculate the half-life of the reaction if the initial concentration of HO2(g) is 2.22E-11 M.Note: the coefficient 2 in the reaction means that the integrated rate law for this reaction is:1/ct = 1/c0 + 2kt Give the answer to 3 significant figures
5. You studied the chemical reaction, 2NO2(g) → 2NO(g) + O2(g), at 25°C by monitoring the concentration of NO2(g) as a function of time and constructed the following graph. y= 0.5408x + 125.0 R2=0.998 Time (s) What is the rate constant for this reaction at 25°C? Include the proper units. (W/T) [(3)ONI/T
Be sure to answer all parts. The rate law for 2 NO(g) + O2(g)→ 2 NO2(g) is rate = k[NO]°[O2l. %3D The following mechanisms have been proposed: I. 2 NO(g) + O2(g)→ 2 NO2(g) II. 2 NO(g) = N½O2(g) [fast] N,O2(g) + O2(g) → 2 NO,(g) [slow] III. 2 NO(g) = N,(g) + O2(g) [fast] N2(g) + 2 O2(g) → 2 NO2(g) [slow] (a) Which of these mechanisms is consistent with the rate law? Check all that apply. I. II. III. None of the above (b) Which of these mechanisms is most reasonable? I. II. III.
The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 69 minutes.Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection 1.9 is . What will the concentration be 207 minutes later? Round your answer to 2 significant digits.
39. The decomposition of a certain pesticide was found to follow first-order kinetics. A student finds that after 3.0 months a sample of pesticide was 87.5% decomposed (only 12.5% of the pesticide remained). What is the half-life (112) for the decomposition reaction? a. 1.0 months b. 2.0 months 3.0 months d. The half-life can not be determined with the information provided.
The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 73 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 1.1 ug/mL. What will the concentration be 365 minutes later? Round your answer to 2 significant digits. ug x10 mL ?
At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.0424 s¯¹: S 2NH3(g) → N₂(g) + 3H₂(g) Suppose a vessel contains NH3 at a concentration of 0.460M. Calculate the concentration of NH3 in the vessel 17.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M x10 X 5
At a certain temperature this reaction follows second-order kinetics with a rate constant of 64.6M¹s¹: NH,OH(aq) → NH, (aq)+H,O(aq) Suppose a vessel contains NH OH at a concentration of 0.170M. Calculate the concentration of NH OH in the vessel 0.920 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. 0 M x10 X S 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center 1 Accessibility Show All