%3Cp%3E%3Cspan%20class%3D%22c1%22%3EThe%20reaction%20%3C%2Fspan%3E%3Cspan%20clas
ID: 823435 • Letter: #
Question
%3Cp%3E%3Cspan%20class%3D%22c1%22%3EThe%20reaction%20%3C%2Fspan%3E%3Cspan%20class%3D%0A%22replace-insert%20done%20c1%22%20id%3D%0A%22yui_3_11_0_24_1394395621216_12%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-1-Frame%22%3E%3Cspan%20class%3D%22c17%22%3E%3Cspan%20class%3D%0A%22c16%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%22MathJax-Span-2%22%3E%3Cspan%20class%3D%0A%22texatom%20c7%22%20id%3D%22MathJax-Span-3%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-4%22%3E%3Cspan%20class%3D%22msubsup%20c7%22%20id%3D%0A%22MathJax-Span-5%22%3E%3Cspan%20class%3D%22c6%22%3E%3Cspan%20class%3D%22c3%22%3E%3Cspan%20class%3D%0A%22mi%20c2%22%20id%3D%22MathJax-Span-6%22%3EN%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%0A%22c5%22%3E%3Cspan%20class%3D%22mn%20c4%22%20id%3D%0A%22MathJax-Span-7%22%3E2%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%0Aid%3D%22MathJax-Span-8%22%3E(%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c8%22%20id%3D%0A%22MathJax-Span-9%22%3Eg%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%20id%3D%0A%22MathJax-Span-10%22%3E)%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c9%22%20id%3D%0A%22MathJax-Span-11%22%3E%2B%3C%2Fspan%3E%3Cspan%20class%3D%22texatom%20c13%22%20id%3D%0A%22MathJax-Span-12%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-13%22%3E%3Cspan%20class%3D%22msubsup%20c7%22%20id%3D%0A%22MathJax-Span-14%22%3E%3Cspan%20class%3D%22c12%22%3E%3Cspan%20class%3D%22c10%22%3E%3Cspan%20class%3D%0A%22mi%20c2%22%20id%3D%22MathJax-Span-15%22%3EO%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%0A%22c11%22%3E%3Cspan%20class%3D%22mn%20c4%22%20id%3D%0A%22MathJax-Span-16%22%3E2%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%0Aid%3D%22MathJax-Span-17%22%3E(%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c8%22%20id%3D%0A%22MathJax-Span-18%22%3Eg%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%20id%3D%0A%22MathJax-Span-19%22%3E)%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c14%22%20id%3D%0A%22MathJax-Span-20%22%3E%E2%87%8C%3C%2Fspan%3E%3Cspan%20class%3D%22texatom%20c15%22%20id%3D%0A%22MathJax-Span-21%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-22%22%3E%3Cspan%20class%3D%22mn%20c2%22%20id%3D%0A%22MathJax-Span-23%22%3E2%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-24%22%3EN%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-25%22%3EO%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%20id%3D%0A%22MathJax-Span-26%22%3E(%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c8%22%20id%3D%0A%22MathJax-Span-27%22%3Eg%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%20id%3D%0A%22MathJax-Span-28%22%3E)%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c1%22%3E%26nbsp%3Bis%0Acarried%20out%20at%20a%20temperature%20at%20which%26nbsp%3B%3C%2Fspan%3E%3Cspan%20class%3D%0A%22replace-insert%20done%20c1%22%20id%3D%0A%22yui_3_11_0_24_1394395621216_22%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-2-Frame%22%3E%3Cspan%20class%3D%22c24%22%3E%3Cspan%20class%3D%0A%22c23%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%22MathJax-Span-30%22%3E%3Cspan%20class%3D%0A%22msubsup%20c7%22%20id%3D%22MathJax-Span-31%22%3E%3Cspan%20class%3D%22c22%22%3E%3Cspan%20class%3D%0A%22c20%22%3E%3Cspan%20class%3D%22mi%20c8%22%20id%3D%0A%22MathJax-Span-32%22%3EK%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c21%22%3E%3Cspan%20class%3D%0A%22texatom%20c7%22%20id%3D%22MathJax-Span-33%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-34%22%3E%3Cspan%20class%3D%22mi%20c4%22%20id%3D%0A%22MathJax-Span-35%22%3Ec%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c1%22%3E%26nbsp%3B%3D%0A0.065.%20The%20reaction%20mixture%20starts%20with%20only%20the%0Aproduct%2C%26nbsp%3B%3C%2Fspan%3E%3Cspan%20class%3D%22replace-insert%20done%20c1%22%20id%3D%0A%22yui_3_11_0_24_1394395621216_25%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-3-Frame%22%3E%3Cspan%20class%3D%22c26%22%3E%3Cspan%20class%3D%0A%22c25%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%22MathJax-Span-37%22%3E%3Cspan%20class%3D%0A%22mo%20c2%22%20id%3D%22MathJax-Span-38%22%3E%5B%3C%2Fspan%3E%3Cspan%20class%3D%22texatom%20c7%22%20id%3D%0A%22MathJax-Span-39%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-40%22%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-41%22%3EN%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-42%22%3EO%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22mo%20c2%22%20id%3D%0A%22MathJax-Span-43%22%3E%5D%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c1%22%3E%26nbsp%3B%3D%0A0.0400%3C%2Fspan%3E%3Cspan%20class%3D%22replace-insert%20done%20c1%22%20id%3D%0A%22yui_3_11_0_24_1394395621216_28%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-4-Frame%22%3E%3Cspan%20class%3D%22c27%22%3E%3Cspan%20class%3D%0A%22c3%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%22MathJax-Span-45%22%3E%3Cspan%20class%3D%0A%22texatom%20c7%22%20id%3D%22MathJax-Span-46%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-47%22%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-48%22%3EM%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c1%22%3E%26nbsp%3B%2C%0Aand%20no%20reactants.%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cp%3E%3Cspan%20class%3D%22c1%22%3E%3Cbr%20%2F%3E%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cp%3E%3Cspan%20class%3D%22c1%22%3E%3Cbr%20%2F%3E%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cp%3E%3Cspan%20class%3D%22c28%22%3EFind%20the%20equilibrium%20concentrations%0Aof%26nbsp%3B%3C%2Fspan%3E%3Cspan%20class%3D%22replace-insert%20done%20c31%22%20id%3D%0A%22yui_3_11_0_24_1394395621216_31%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-5-Frame%22%3E%3Cspan%20class%3D%22math%20c7%22%20id%3D%0A%22MathJax-Span-49%22%3E%3Cspan%20class%3D%22c30%22%3E%3Cspan%20class%3D%22c29%22%3E%3Cspan%20class%3D%0A%22mrow%20c7%22%20id%3D%22MathJax-Span-50%22%3E%3Cspan%20class%3D%22texatom%20c7%22%20id%3D%0A%22MathJax-Span-51%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-52%22%3E%3Cspan%20class%3D%22msubsup%20c7%22%20id%3D%0A%22MathJax-Span-53%22%3E%3Cspan%20class%3D%22c6%22%3E%3Cspan%20class%3D%22c3%22%3E%3Cspan%20class%3D%0A%22mi%20c2%22%20id%3D%22MathJax-Span-54%22%3EN%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%0A%22c5%22%3E%3Cspan%20class%3D%22mn%20c4%22%20id%3D%0A%22MathJax-Span-55%22%3E2%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c28%22%3E%26nbsp%3B%2C%26nbsp%3B%3C%2Fspan%3E%3Cspan%20class%3D%22replace-insert%20done%20c31%22%0Aid%3D%22yui_3_11_0_24_1394395621216_37%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-6-Frame%22%3E%3Cspan%20class%3D%22math%20c7%22%20id%3D%0A%22MathJax-Span-56%22%3E%3Cspan%20class%3D%22c33%22%3E%3Cspan%20class%3D%22c32%22%3E%3Cspan%20class%3D%0A%22mrow%20c7%22%20id%3D%22MathJax-Span-57%22%3E%3Cspan%20class%3D%22texatom%20c7%22%20id%3D%0A%22MathJax-Span-58%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-59%22%3E%3Cspan%20class%3D%22msubsup%20c7%22%20id%3D%0A%22MathJax-Span-60%22%3E%3Cspan%20class%3D%22c12%22%3E%3Cspan%20class%3D%22c10%22%3E%3Cspan%20class%3D%0A%22mi%20c2%22%20id%3D%22MathJax-Span-61%22%3EO%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%0A%22c11%22%3E%3Cspan%20class%3D%22mn%20c4%22%20id%3D%0A%22MathJax-Span-62%22%3E2%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c28%22%3E%2C%0Aand%26nbsp%3B%3C%2Fspan%3E%3Cspan%20class%3D%22replace-insert%20done%20c31%22%20id%3D%0A%22yui_3_11_0_24_1394395621216_40%22%3E%3Cspan%20class%3D%0A%22type-specific%22%3E%3Cspan%20class%3D%22MathJax%20c19%22%20id%3D%0A%22MathJax-Element-7-Frame%22%3E%3Cspan%20class%3D%22math%20c7%22%20id%3D%0A%22MathJax-Span-63%22%3E%3Cspan%20class%3D%22c35%22%3E%3Cspan%20class%3D%22c34%22%3E%3Cspan%20class%3D%0A%22mrow%20c7%22%20id%3D%22MathJax-Span-64%22%3E%3Cspan%20class%3D%22texatom%20c7%22%20id%3D%0A%22MathJax-Span-65%22%3E%3Cspan%20class%3D%22mrow%20c7%22%20id%3D%0A%22MathJax-Span-66%22%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-67%22%3EN%3C%2Fspan%3E%3Cspan%20class%3D%22mi%20c2%22%20id%3D%0A%22MathJax-Span-68%22%3EO%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3C%2Fspan%3E%3Cspan%20class%3D%22c28%22%3E%26nbsp%3Bat%0Aequilibrium.%3C%2Fspan%3E%3Cspan%20class%3D%22c36%22%3EExpress%20your%20answer%20to%20two%0Asignificant%20figures%20and%20include%20the%20appropriate%20units.%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cp%3E%3Cspan%20class%3D%22c36%22%3E%3Cbr%20%2F%3E%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cp%3E%3Cspan%20class%3D%22c28%22%3E%3Cbr%20%2F%3E%3C%2Fspan%3E%3C%2Fp%3E%0A%3Cp%3E%3Cspan%20class%3D%22c28%22%3EPlease%20help!%20I%20tried%20it%20on%20my%20own%20and%20got%0Ax%3D.032%20but%20it%20is%20wrong!%3C%2Fspan%3E%3C%2Fp%3E%0AExplanation / Answer
Given reaction
N2. + O2 ...,.......> 2NO
x/2. x/2. 0.04 -x
As Kc= (0.04-x)^2/(x^2/4)=0.065
Solving the equation gives x= 0.03547
So equilibrium compositions of N2 and O2 are x/2 =0.0177 moles
And that of NO = 0.04-x=0.00453
While solving the quadratic we will another root also as x = 0.0458 which is wrong because initial concentration of NO is itself 0.04
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.