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The half-life of isotope Z is 4.0 years. If the reaction is first order, how many years would it take for an 8.00 mg sample of isotope Z to decay and have only 1.00 mg remaining is ____ years.

The half-life of isotope Z is 4.0 years. If the reaction is first order, how many years would it take for an 8.00 mg sample of isotope Z to decay and have only 1.00 mg remaining is ____ years.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter11: Rate Of Reaction
Section: Chapter Questions
Problem 81QAP: The hypothetical reaction QR+Xproductswas monitored at 27C as a function of time. The following...
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The half-life of isotope Z is 4.0 years. If the reaction is first order, how many years would it take for an 8.00 mg sample of isotope Z to decay and have only 1.00 mg remaining is ____ years. N2(g) + 3 H2(g) --> 2 NH3(g) The value of K₂ at 25 degrees Celsius for this reaction is 4.5 x 10-12. The value of Kc is NO Units R=0.08206 Latm/molk For the reaction Fe3O4(s) + 4 CO(g) <--> 3 Fe(s) + 4 CO2(g) the AG° = -12.3kJ at 298K. What is Keq? (Answer to nearest whole number)
Transcribed Image Text:The half-life of isotope Z is 4.0 years. If the reaction is first order, how many years would it take for an 8.00 mg sample of isotope Z to decay and have only 1.00 mg remaining is ____ years. N2(g) + 3 H2(g) --> 2 NH3(g) The value of K₂ at 25 degrees Celsius for this reaction is 4.5 x 10-12. The value of Kc is NO Units R=0.08206 Latm/molk For the reaction Fe3O4(s) + 4 CO(g) <--> 3 Fe(s) + 4 CO2(g) the AG° = -12.3kJ at 298K. What is Keq? (Answer to nearest whole number)
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