saplinglearning.com Dashboard University of Kentucky- CHE 1 5cos(2tly\'+4y-Lapla

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saplinglearning.com Dashboard University of Kentucky- CHE 1 5cos(2tly'+4y-Laplace Transfo... Dashboard 5cos2t-y"44y-Lapi Do Dashboard 5cos(21) y +4.. G A Dashboard 5cos(21)-y"+.. Sapling Learning macmillan learning Jump to. View Profile Logout Sapling Learning > Universityof Kentucky. CHE 107-Spring18-DEPT > Activities and Due Dates. HW #12 My Assignment Resources Score3/30/2018 11:59 PM 56.6/100 Assignment Information Grade book Periodic Table Question 11 of 15 Available From: Not Set Due Date: Points Possible: 100 Grade Category: Homework Description Policies: 3/30/2018 11:59 PM 21100 3 100 4 100 Map Sapling Learning Consider the following reaction. A(aq) ? 2B(aq) K.-3.90 ×10-6 at500 K Homework If a 4.80 M sample of A is heated to 500 K, what is the concentration of B at equilibrium? You can check your answers You can view solutions when you complete or give up on any question. You can keep trying to answer each question until you get it right or give up. You lose 5% of the points available to each answer in your question for each incorrect attempt at that answer Number 10 eTextbook Help With This Topic 13 Web Help & Videos 14 O Technical Support and Bug Reports 15 Previous Give Up & View Solution Check AnswerNeExit Hind

Explanation / Answer

A(aq) <------> 2 B(aq)

Kc = [B]2/[A]

[A] Kc = [B]2

[B] = sq root (4.8 x 3.9x10*-6)

= sq root (18.72x10*-6)

[B]= 4.32 x10*-2 M

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