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CH160_2009SPRING_EXAM3_PROFSOLN_[0]

CH160_2009SPRING_EXAM3_PROFSOLN_[0] - Name Aprif 27,2AAg...

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Name: Aprif 27,2AAg Cooper Union Exam 3 Prof. Bastos Pcheml60E 1. The homogeneous gas phase combustion of ammonia, to produce nitrogen monoxide andwater vapor, has a molar consumption of 0.0500 of ammonia per second. a. Write the balanced overall reaction , a { -l flfi,r) r e b) Lil -+ 'l r'ore) r t lltAu, b. Determine the molar rateof consumption of oxygen ^ lt^U,ixcn):_ 1\ Llttt) l r ^ f , ! c cl)Srl .: l , 6 s = -AtdlJ z qyn = LLrtfi1 sAt tt rc 6bt E { 6 , , , , . O 1 ) g / , 1 , 5 ( O , . C 6 ) s ( l - g \- - --*'F '' Ll At - l c. Determine the molar rateof production of each product tlo) ) o'o*'''et4 ''-l [ t + t P 1 t b y C , t , l t S n - t : - l d. What is the rate of this reaction? ( 5 ; t o l L S r r t . s * t >fE ( erE )sn ?F O "o /{-r-, m - l -

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a. m s.>)"yfu= &'(t,,,"t ,ri b.{ T;q.fk /{(-y1i^ arry- 2. Usethe following initial rates, fromthis experimentally determined data, for the general reaction aA + bB --- P, withthe rate = k [A]'[B]', in order to determine the following ; . ) : ( o , g o ) ^ r y \ ' - l tAI u|ln IbI UYN lnitial rate (M/s) 1.44 0.35 0.00537 1.44 0.70 0.4215 2.89 0.35 0,00269 ; = fnl15n12 )f a.- 7/o b . n J , l S a t o - r f i t A g . J ) n l o * ' / \ h , ( t . 1 1 t 1 i ' , t ) ^ l C , t s n , ) n \ L I ' I I _ \ - - 4 ( 1 , 1 1 t i T n t n ( o , l u r 4 ) .L ). 0, ) s I Lt c . k '/i = . - 4 9 - 7 7 x / c - t 4 - 2 ; r l , \ - | j , U 1 Y l u S ,'4 z'n7/;.^,7 | ) f }-t",{9-> - e a e1 )'))x /o /') i ' r - l , \ 2 ( l , r l t 1 n t \ ' ( f , t s l n ) \ / L v ?ffr overall reaction oroS?' i v s n - r r ) = ( ( , \--/ | :Fol', ):o), n Initial rate at [A] = 3.00 M and [B] , - r \ r . . . 2 ' -('c!r't:[email protected]) : d,ro, ) s 7 v.d'c n )ifr d. = 0.50 M r-(r) o n - 2 - )F
3. The isomerization of hydrogen isocyanide to hydrogen cyanide follows this reaction: a. ,(it". tlraV\5 Lr, |t,l P"'tb''t /./'' = (r, ,"1t7 x ti'l )-,tt' = e I / t t ' ) f t . r r l ' \ l ' \ , l l ^ ) ,/ ,l15 "1t,"'4/ / ' = ' C , C 1 ) l < , ' 4 z 041) - { = i Ll, Ll c)x to ;l tu,w'+ t/ +,b." fl,j 4u-*n t ", L/>' t*-rt nJil HNC1e1 --- HCNlsy lf-# = 4.403 x 104s-1, what mass of an originally 1 .0009 sample of HNC

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