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1. For the following reaction C +S-CS Exp C) (S) 1 0.06 0.08 2 0.06 0.16...
1. For the following reaction C +5 - CS Rate M/s 12 24 1 Exp [C]...
1. For the following reaction C +5 - CS Rate M/s 12 24 1 Exp [C] [S] 0.06 0.08 2 0.06 0.16 3 0.12 0.08 If the reaction is first order, what should the rate be in exp 3. 2. How did you determine the reaction order for the experiment you did in the lab? 3.What happens to the reaction rate when the temperature went from 35 C to 55C? 4.If you used 2.5 ml of3M KMnO, in 10ml of...
18 5.How did you know the reaction in the lab was done? 6. How can you...
18 5.How did you know the reaction in the lab was done? 6. How can you determine if a reaction is zero order? 7. There 5.0 ml of 0.175 MH,90,,2 ml of water , 3ml of 6.5M KMnO, what is the molar concentration of H,C,0,? 8. Using the data from question 7 what is the molar concentration of KMnO, ? 9. Using the data from question 1, what is the rate constant(k)? 10. From question number 7, what effects increasing...
Prelaboratory assignment Exp. 4 Beer’s Law 1.Calculate the Concentration of the Crystal Violet Solutions in Table...
Prelaboratory assignment Exp. 4 Beer’s Law
1.Calculate the Concentration of the Crystal Violet Solutions in
Table 1 of the Procedureusing Vinitial x Minitial = Vdiluted x
Mdiluted (Note: Vdiluted = 15 mL). Record the concentrationsin
Table 1 AND in the Data table in the report sheet.
2.Plot the following data as absorbance vs concentration of X in
excel
Absorbance, A Molar Concentration of X
0.045 3.0 x 10-4 mol/L
0.097 6.2 x 10-4 mol/L
0.14 9.0 x 10-4 mol/L...
A certain first-order reaction has a rate constant of 1.65 min-1 at 20°C. What is the...
A certain first-order reaction has a rate constant of 1.65 min-1 at 20°C. What is the value of the rate constant at 60°C if the activation energy is 75.5 kJ/mol? The rate constant is 105 times bigger at 300 K than at 200K. Explain why reaction rate increases with temperature? At 227°C, the reaction: SO2Cl2(g) SO2(g) + Cl2(g), has an equilibrium constant of KC = 2.99×10-7. If a reaction mixture initially contains 0.175 M SO2Cl2, what is the equilibrium concentration...
A. Determination of Reaction Times Molar concentration of Na,s,0, 0 Volume of Na,S,0,(L). Ambient...
A. Determination of Reaction Times Molar concentration of Na,s,0, 0 Volume of Na,S,0,(L). Ambient temperaure c Molar concentration of KI 02Molar concentration of ,O, Total volume of kinetic trials (mL) _IO m Kinetic Trial 1. Time for color change, At (sec) 0s 353s 755 B. Calculations for Determining the Rate Law 1. Moles of s,0,2 -5 consumed (mol) O 20 么Drio 2. A(mol I) produced (moll) (mol/s) Δι Δ(mol 13-) 4. log At 5. Volume KI (mL) 6. IIlo (moU/L)...
Complete the reaction table below. OOH or 1. ether 2. CO2(s) + Mg2+ + Br +...
Complete the reaction table below. OOH or 1. ether 2. CO2(s) + Mg2+ + Br + CÍ + Mga 3. HCl(aq) benzoic acid Magnesium Bromobenzene CO2(s) (Dry ice) HCl(aq) Benzoic Acid Experimental quantity 1.2 g 5.2 mL excess 80 mL <ml Molar Mass Density N/A Concentration - - - 3.0 M Amount in moles Equivalents excess excess Answer the following questions using the Prelab Workbook Assignment Link provided on LEARN. Question 1: What is the limiting reagent for this reaction?...
1. Initial rate data at 25.0 °C are listed below for the reaction: 2 HgCl2 (aq)...
1. Initial rate data at 25.0 °C are listed below for the reaction: 2 HgCl2 (aq) C2O (aq)2 C (aq)+ 2 CO:(g)+ Hg Cl(s) (COP)0 Expt. HgClalo Initial rate/ 3.1 x 10 1 0.100 0.20 1.2x 10 0.100 0.40 6.2x 10S 0.050 0.40 Use the data to determine the rate law for the reaction. 2. At 500 °C, cyclopropane (CsH6) rearranges to propene (CH3CH-CH2): CH CH=CH2 (g) CaHs (g) The reaction is first order and the rate constant is 6.7...
A chemical reaction takes place in a 100 gram water bath (C=4.2J g-1 °C-1) and the...
A chemical reaction takes place in a 100 gram water bath (C=4.2J g-1 °C-1) and the temperature rose 6.3 °C. If 0.08 mols of substance A reacted to cause the temperature change according to the reaction below what would be the molar enthalpy of that reaction in kJ/mol? 3 A --> 1 B + 1 C 0.158 g of HCl is reacted with excess Mg. When the reaction occurs the temperature of the 100 mL solution increased 7.2 oC. Calculate...
equations that may be useful are: 2I(-)+SO2O8(2-)->I2+2SO4(2-) and I2+2S2O3(2-)->2I(-)+S4O6(2-) THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES...
equations that may be useful are:
2I(-)+SO2O8(2-)->I2+2SO4(2-)
and
I2+2S2O3(2-)->2I(-)+S4O6(2-)
THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES (WEEK 1) This is a guide to suggest a format for you to prepare your laboratory notebook so that you can efficiently collect and record the data needed for each part of this experiment. Provide a space for observations. Record all original data directly into the laboratory notebook. Show all post-lab calculations in your laboratory notebook. If you did several trials of the same...
Student Name: Instructor Name: EXP #4: POST-LAB 1. A proposed mechanism for the iodine clock reaction...
Student Name: Instructor Name: EXP #4: POST-LAB 1. A proposed mechanism for the iodine clock reaction is shown below: Iodine Clock Reaction Mechanism: 1 HSoS0+HIO2 ki-2.95 x 10-1M-'s-1 2-2.0 x 1010 AM-2s-1 ka 1.0 x 105 M-'s-1 ka-3.0 x 105 M-3s-1 HIO2+I +H+2HOI HIO2+ HOI IO +I + 2H+ IO I+2H HIO2 + HOI HOI+I+H I2+H20 ks 3.0 x 1012M-2s-1 I+ H20 HOI+ I +H ke -2.2s-1 I2+HSO+H20+21 +SO- +3H+ -1.0 x 100 M-1-1 where the values of k are...
1. For the following reaction C +5 - CS Rate M/s 12 24 1 Exp [C] [S] 0.06 0.08 2 0.06 0.16 3 0.12 0.08 If the reaction is first order, what should the rate be in exp 3. 2. How did you determine the reaction order for the experiment you did in the lab? 3.What happens to the reaction rate when the temperature went from 35 C to 55C? 4.If you used 2.5 ml of3M KMnO, in 10ml of...
18 5.How did you know the reaction in the lab was done? 6. How can you determine if a reaction is zero order? 7. There 5.0 ml of 0.175 MH,90,,2 ml of water , 3ml of 6.5M KMnO, what is the molar concentration of H,C,0,? 8. Using the data from question 7 what is the molar concentration of KMnO, ? 9. Using the data from question 1, what is the rate constant(k)? 10. From question number 7, what effects increasing...
Prelaboratory assignment Exp. 4 Beer’s Law
1.Calculate the Concentration of the Crystal Violet Solutions in
Table 1 of the Procedureusing Vinitial x Minitial = Vdiluted x
Mdiluted (Note: Vdiluted = 15 mL). Record the concentrationsin
Table 1 AND in the Data table in the report sheet.
2.Plot the following data as absorbance vs concentration of X in
excel
Absorbance, A Molar Concentration of X
0.045 3.0 x 10-4 mol/L
0.097 6.2 x 10-4 mol/L
0.14 9.0 x 10-4 mol/L...
A. Determination of Reaction Times Molar concentration of Na,s,0, 0 Volume of Na,S,0,(L). Ambient temperaure c Molar concentration of KI 02Molar concentration of ,O, Total volume of kinetic trials (mL) _IO m Kinetic Trial 1. Time for color change, At (sec) 0s 353s 755 B. Calculations for Determining the Rate Law 1. Moles of s,0,2 -5 consumed (mol) O 20 么Drio 2. A(mol I) produced (moll) (mol/s) Δι Δ(mol 13-) 4. log At 5. Volume KI (mL) 6. IIlo (moU/L)...
Complete the reaction table below. OOH or 1. ether 2. CO2(s) + Mg2+ + Br + CÍ + Mga 3. HCl(aq) benzoic acid Magnesium Bromobenzene CO2(s) (Dry ice) HCl(aq) Benzoic Acid Experimental quantity 1.2 g 5.2 mL excess 80 mL <ml Molar Mass Density N/A Concentration - - - 3.0 M Amount in moles Equivalents excess excess Answer the following questions using the Prelab Workbook Assignment Link provided on LEARN. Question 1: What is the limiting reagent for this reaction?...
1. Initial rate data at 25.0 °C are listed below for the reaction: 2 HgCl2 (aq) C2O (aq)2 C (aq)+ 2 CO:(g)+ Hg Cl(s) (COP)0 Expt. HgClalo Initial rate/ 3.1 x 10 1 0.100 0.20 1.2x 10 0.100 0.40 6.2x 10S 0.050 0.40 Use the data to determine the rate law for the reaction. 2. At 500 °C, cyclopropane (CsH6) rearranges to propene (CH3CH-CH2): CH CH=CH2 (g) CaHs (g) The reaction is first order and the rate constant is 6.7...
equations that may be useful are:
2I(-)+SO2O8(2-)->I2+2SO4(2-)
and
I2+2S2O3(2-)->2I(-)+S4O6(2-)
THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES (WEEK 1) This is a guide to suggest a format for you to prepare your laboratory notebook so that you can efficiently collect and record the data needed for each part of this experiment. Provide a space for observations. Record all original data directly into the laboratory notebook. Show all post-lab calculations in your laboratory notebook. If you did several trials of the same...
Student Name: Instructor Name: EXP #4: POST-LAB 1. A proposed mechanism for the iodine clock reaction is shown below: Iodine Clock Reaction Mechanism: 1 HSoS0+HIO2 ki-2.95 x 10-1M-'s-1 2-2.0 x 1010 AM-2s-1 ka 1.0 x 105 M-'s-1 ka-3.0 x 105 M-3s-1 HIO2+I +H+2HOI HIO2+ HOI IO +I + 2H+ IO I+2H HIO2 + HOI HOI+I+H I2+H20 ks 3.0 x 1012M-2s-1 I+ H20 HOI+ I +H ke -2.2s-1 I2+HSO+H20+21 +SO- +3H+ -1.0 x 100 M-1-1 where the values of k are...
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