The measured C-14 activity of a particular artifact from a cave dwelling in New Mexico is 4.50 dpm. The current activity is8.50 dpm. How old is the artifact? The first-order kinetic rate constant for C-14 is 1.21 x 10-4 yr.EQUATIONS AND CONSTANTSE sell = E°cell- (0.0592/n) log Q @ 25 °CR= 8.314 J/mol KAG° =-nFE°cllF=9.65 x 104 J/V•mol eAGExn =-(RT)In KE°cell = (RT/nF) In KFor electrolysis:In (No/N) = kt1A = 1 C/st12 0,693/kF= 9.65 x 10 C/mol e4222 yrO 3039 yrO 5256 yrO 6175 yr1799 yr« PreviousNextDELLEscF1F2F3F4F5F6F7F8F9F10!@&1478.WTYつ< LO%# 3

Given information, The measured C-14 activity of a particular artifact from a cave dwelling in New Mexico Is 4.50 dpm. The current activity is 8.50 dpm. The first-order kinetic rate constant for C-14 is 1.21 x 10-4 yr.Calculate age of artifact, ln (4.50/8.50) = - 1.21 × 10-4 yr-1 (t)t = - 0.636- 1.21 × 10-4 yr-1= 5256 yr

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The measured C-14 activity of a particular artifact from a cave dwelling in New Mexico is 4.50 dpm. The current activity is 8.50 dpm. How old is the artifact? The first-order kinetic rate constant for C-14 is 1.21 x 104 yr. EQUATIONS AND CONSTANTS E cell = E°odll - (0.0592/n) log Q @ 25°C R=8.314 J/mol-K %3D AG°ran =-nFE° cll F =9.65 x 10 J/V•mol e AG rn =-(RT) In K E°ell = (RT/nF) In K For electrolysis: In (No/N) = kt 1A =1 C/s t12 0,693/k F=9,65 x 10 C/mol e 4222 yr 3039 yr 5256 yr 6175 yr O 1799 yr

The measured C-14 activity of a particular artifact from a cave dwelling in New Mexico is 4.50 dpm. The current activity is 8.50 dpm. How old is the artifact? The first-order kinetic rate constant for C-14 is 1.21 x 104 yr. EQUATIONS AND CONSTANTS E cell = E°odll - (0.0592/n) log Q @ 25°C R=8.314 J/mol-K %3D AG°ran =-nFE° cll F =9.65 x 10 J/V•mol e AG rn =-(RT) In K E°ell = (RT/nF) In K For electrolysis: In (No/N) = kt 1A =1 C/s t12 0,693/k F=9,65 x 10 C/mol e 4222 yr 3039 yr 5256 yr 6175 yr O 1799 yr

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...

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