Tracy Turne Wednesday, February 4r CHEM-1415-300 General Chemistry (Continued) l

Question

Tracy Turne Wednesday, February 4r CHEM-1415-300 General Chemistry (Continued) l Spring 20 Content Links l SAPILING I Assignments/Exams l Labs Grades l Roster Unit 1 Practice Quiz Quiz Tracy Turner: Attempt 1 The first-order reaction czHe 2 CH3 has a half-life of 21 min. what is the concentration (M) after 4.39 min if [CzHelo 2.1 x 103? A) 1.83 x 10 O B) 1.83 x 10 O c) 9.17 x 104 O D) 2.29 x 10 O E) 1.54 x 10-3 Save Question 8 (0.21 points) Pick any answer for the credit. sKIP THIS QUESTION! It is not a valid question. complain it doe Compound X is a miracle drug used to cure every sneeze and sniffle. It is very expensive though and customers take fo hns rate constant, k, of 4.35 x o Ma day i. How long does it

Explanation / Answer

1.83*10^-3

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