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Author Question: A first-order reaction has a rate constant of 0.33 min-1. It takes ________ min for the reactant ... (Read 83 times)

ap345

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on: Aug 27, 2018
A first-order reaction has a rate constant of 0.33 min-1. It takes ________ min for the reactant concentration to decrease from 0.13 M to 0.066 M.
 
  A) 0.085
  B) 0.13
  C) 0.89
  D) 2.4
  E) 2.1

Question 2

Cardiovascular diseases are responsible for approximately ________ of deaths in the United States.
 
  A) 12
  B) 25
  C) 34
  D) 50
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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nikmaaacs

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ap345

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Reply 2 on: Aug 27, 2018
:D TYSM

dantucker

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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