The isomerization of cyclopropane, C3H6, to propylene, CH2=CHCH3, is first order in cyclopropane and first order overall. At 1000°C, the rate constant is 9.2/s. What is the half-life of cyclopropane at 1000 °C? How long would it take for the concentration of cyclopropane to decrease to 50% of its initial value? to 25% of its initial value? New TabA Autumn-2020-BCB104-1 1b Enter your payment details | bart x& Half-life and carbon dating (videc x+i classroom.google.com/u/1/c/MJAZMD91NZAZNTYXE AppsO (63) YouTube9 * Google TranslateT TorrentBD : HomeA ClassesL My Drive - Google...E Google DocsQuran.comvoot Bigg Boss Season 1..E Synthesis and deco.8 Biosynthesis of Sele.W Exercises.docx B104-1Open with ▼Exercises related to rate law1. The reaction A(g) → B(g) + C(g) is known to be first order in A(g). It takes 25 s for theconcentration of A(g) to decrease by one-half of its initial value. How long does it take forthe concentration of A(g) to decrease to one-fourth of its initial value? to one-eighth of itsinitial value?2. A reaction of the form aA Products is second-order with a rate constant of 0.225 L/(mol-s). If theinitial concentration of A is 0.293 mol/L, what is the molar concentration of A after 35.4 s?3. A reaction of the form aA → Products is second order with a rate constant of 0.169 L/(mol-s). If theinitial concentration of A is 0.159 mol/L, how many seconds would it take for the concentration of A todecrease to 6.07 x 10° mol/L?4. Ethyl chloride, CH3CH2CI, used to produce tetraethyllead gasoline additive, decomposes, whenheated, to give ethylene and hydrogen chloride.CH3CH2CI(g) → C2H4(g) + HCI(g)The reaction is first order. In an experiment, the initial concentration of ethyl chloride was 0.00100 M.After heating at 500°C for 155 s, this was reduced to 0.00067 M. What was the concentration of ethylchloride after a total of 256 s?5. Cyclobutane, C4H8, consisting of molecules in which four carbon atoms form a ring, decomposes,when heated, to give ethylene.CAH8(g) → 2C2H4(g)The reaction is first order. In an experiment, the initial concentration of cyclobutane was 0.00150 M.After heating at 450°C for 455 s, this was reduced to 0.00119 M. What was the concentration ofcyclobutane after a total of 750 s?6. Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.CH3NC(g) CH3CN(g)The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 x 10/s. What is thehalf-life? How long would it take for the concentration of CH3NC to decrease to 50.0% of its initialvalue? to 25.0% of its initial value?7. Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent.N2O5 2NO2 + ½O2(g)If the rate constant for the decomposition of N2O5 is 6.2 x 10/min, what is the half-life? (The rate law isfirst order in N2O5.) How long would it take for the concentration of N2O5 to decrease to 25% of itsinitial value? to 12.5% of its initial value?Page1 | 1... New TabA Autumn-2020-BCB104-1 1b Enter your payment details | bart x& Half-life and carbon dating (videc x+i classroom.google.com/u/1/c/MJAZMD91NZAZNTYXE AppsO (63) YouTube9 * Google TranslateT TorrentBD : HomeA ClassesL My Drive - Google...E Google DocsQuran.comvoot Bigg Boss Season 1..E Synthesis and deco.8 Biosynthesis of Sele.W Exercises.docx B104-1Open with ▼Exercises related to rate law1. The reaction A(g) → B(g) + C(g) is known to be first order in A(g). It takes 25 s for theconcentration of A(g) to decrease by one-half of its initial value. How long does it take forthe concentration of A(g) to decrease to one-fourth of its initial value? to one-eighth of itsinitial value?2. A reaction of the form aA Products is second-order with a rate constant of 0.225 L/(mol-s). If theinitial concentration of A is 0.293 mol/L, what is the molar concentration of A after 35.4 s?3. A reaction of the form aA → Products is second order with a rate constant of 0.169 L/(mol-s). If theinitial concentration of A is 0.159 mol/L, how many seconds would it take for the concentration of A todecrease to 6.07 x 10° mol/L?4. Ethyl chloride, CH3CH2CI, used to produce tetraethyllead gasoline additive, decomposes, whenheated, to give ethylene and hydrogen chloride.CH3CH2CI(g) → C2H4(g) + HCI(g)The reaction is first order. In an experiment, the initial concentration of ethyl chloride was 0.00100 M.After heating at 500°C for 155 s, this was reduced to 0.00067 M. What was the concentration of ethylchloride after a total of 256 s?5. Cyclobutane, C4H8, consisting of molecules in which four carbon atoms form a ring, decomposes,when heated, to give ethylene.CAH8(g) → 2C2H4(g)The reaction is first order. In an experiment, the initial concentration of cyclobutane was 0.00150 M.After heating at 450°C for 455 s, this was reduced to 0.00119 M. What was the concentration ofcyclobutane after a total of 750 s?6. Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.CH3NC(g) CH3CN(g)The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 x 10/s. What is thehalf-life? How long would it take for the concentration of CH3NC to decrease to 50.0% of its initialvalue? to 25.0% of its initial value?7. Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent.N2O5 2NO2 + ½O2(g)If the rate constant for the decomposition of N2O5 is 6.2 x 10/min, what is the half-life? (The rate law isfirst order in N2O5.) How long would it take for the concentration of N2O5 to decrease to 25% of itsinitial value? to 12.5% of its initial value?Page1 | 1...

Question

The isomerization of cyclopropane, C3H6, to propylene, CH2=CHCH3, is first order in cyclopropane and first order overall. At 1000°C, the rate constant is 9.2/s. What is the half-life of cyclopropane at 1000 °C? How long would it take for the concentration of cyclopropane to decrease to 50% of its initial value? to 25% of its initial value? New TabA Autumn-2020-BCB104-1 1b Enter your payment details | bart x& Half-life and carbon dating (videc x+i classroom.google.com/u/1/c/MJAZMD91NZAZNTYXE AppsO (63) YouTube9 * Google TranslateT TorrentBD : HomeA ClassesL My Drive - Google...E Google DocsQuran.comvoot Bigg Boss Season 1..E Synthesis and deco.8 Biosynthesis of Sele.W Exercises.docx B104-1Open with ▼Exercises related to rate law1. The reaction A(g) → B(g) + C(g) is known to be first order in A(g). It takes 25 s for theconcentration of A(g) to decrease by one-half of its initial value. How long does it take forthe concentration of A(g) to decrease to one-fourth of its initial value? to one-eighth of itsinitial value?2. A reaction of the form aA > Products is second-order with a rate constant of 0.225 L/(mol-s). If theinitial concentration of A is 0.293 mol/L, what is the molar concentration of A after 35.4 s?3. A reaction of the form aA → Products is second order with a rate constant of 0.169 L/(mol-s). If theinitial concentration of A is 0.159 mol/L, how many seconds would it take for the concentration of A todecrease to 6.07 x 10° mol/L?4. Ethyl chloride, CH3CH2CI, used to produce tetraethyllead gasoline additive, decomposes, whenheated, to give ethylene and hydrogen chloride.CH3CH2CI(g) → C2H4(g) + HCI(g)The reaction is first order. In an experiment, the initial concentration of ethyl chloride was 0.00100 M.After heating at 500°C for 155 s, this was reduced to 0.00067 M. What was the concentration of ethylchloride after a total of 256 s?5. Cyclobutane, C4H8, consisting of molecules in which four carbon atoms form a ring, decomposes,when heated, to give ethylene.CAH8(g) → 2C2H4(g)The reaction is first order. In an experiment, the initial concentration of cyclobutane was 0.00150 M.After heating at 450°C for 455 s, this was reduced to 0.00119 M. What was the concentration ofcyclobutane after a total of 750 s?6. Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.CH3NC(g) > CH3CN(g)The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 x 10/s. What is thehalf-life? How long would it take for the concentration of CH3NC to decrease to 50.0% of its initialvalue? to 25.0% of its initial value?7. Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent.N2O5 > 2NO2 + ½O2(g)If the rate constant for the decomposition of N2O5 is 6.2 x 10/min, what is the half-life? (The rate law isfirst order in N2O5.) How long would it take for the concentration of N2O5 to decrease to 25% of itsinitial value? to 12.5% of its initial value?Page1 | 1... New TabA Autumn-2020-BCB104-1 1b Enter your payment details | bart x& Half-life and carbon dating (videc x+i classroom.google.com/u/1/c/MJAZMD91NZAZNTYXE AppsO (63) YouTube9 * Google TranslateT TorrentBD : HomeA ClassesL My Drive - Google...E Google DocsQuran.comvoot Bigg Boss Season 1..E Synthesis and deco.8 Biosynthesis of Sele.W Exercises.docx B104-1Open with ▼Exercises related to rate law1. The reaction A(g) → B(g) + C(g) is known to be first order in A(g). It takes 25 s for theconcentration of A(g) to decrease by one-half of its initial value. How long does it take forthe concentration of A(g) to decrease to one-fourth of its initial value? to one-eighth of itsinitial value?2. A reaction of the form aA > Products is second-order with a rate constant of 0.225 L/(mol-s). If theinitial concentration of A is 0.293 mol/L, what is the molar concentration of A after 35.4 s?3. A reaction of the form aA → Products is second order with a rate constant of 0.169 L/(mol-s). If theinitial concentration of A is 0.159 mol/L, how many seconds would it take for the concentration of A todecrease to 6.07 x 10° mol/L?4. Ethyl chloride, CH3CH2CI, used to produce tetraethyllead gasoline additive, decomposes, whenheated, to give ethylene and hydrogen chloride.CH3CH2CI(g) → C2H4(g) + HCI(g)The reaction is first order. In an experiment, the initial concentration of ethyl chloride was 0.00100 M.After heating at 500°C for 155 s, this was reduced to 0.00067 M. What was the concentration of ethylchloride after a total of 256 s?5. Cyclobutane, C4H8, consisting of molecules in which four carbon atoms form a ring, decomposes,when heated, to give ethylene.CAH8(g) → 2C2H4(g)The reaction is first order. In an experiment, the initial concentration of cyclobutane was 0.00150 M.After heating at 450°C for 455 s, this was reduced to 0.00119 M. What was the concentration ofcyclobutane after a total of 750 s?6. Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.CH3NC(g) > CH3CN(g)The reaction is first order. At 230°C, the rate constant for the isomerization is 6.3 x 10/s. What is thehalf-life? How long would it take for the concentration of CH3NC to decrease to 50.0% of its initialvalue? to 25.0% of its initial value?7. Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent.N2O5 > 2NO2 + ½O2(g)If the rate constant for the decomposition of N2O5 is 6.2 x 10/min, what is the half-life? (The rate law isfirst order in N2O5.) How long would it take for the concentration of N2O5 to decrease to 25% of itsinitial value? to 12.5% of its initial value?Page1 | 1...

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