Homework Answers
A Catalyst is a substance that is added to a reaction to increase or decrease the rate of reaction and is not a reactant or product. Generally added to increase the rate of reaction. It increases the rate of reaction by reducing the activation energy.
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8. Why is a catalyst not listed as a reactant or a product? 9. On the...
Question 3 Sample Data and Graphs Solution A Reaction Time Reaction Rate (sec) Experiment 0.1 M...
Question 3
Sample Data and Graphs Solution A Reaction Time Reaction Rate (sec) Experiment 0.1 M KIO, (sec) Water 1 50 mL 150 mL 17 0.0606 7 100 mL 100 mL 0.125 3 25 mL 175 mL 33 0.0303 4 20 mL 180 mL 45 0.0222 80 mL 120 mL 10 0.100 25 sec (predicted) 26 sec (actual) Challenge! 33 mL. 167 mI. 50 40 30 20 10 C 50 100 150 C Volume of KIO, (mL) 0.16 0.12 R...
Student Name: Instructor Name: DATA (EXP #4) Part 1: Effect of Concentration Time (sec) mL NaHSO3/starch...
Student Name: Instructor Name: DATA (EXP #4) Part 1: Effect of Concentration Time (sec) mL NaHSO3/starch mL water mL KIO3 ai.lolo 50 mL 0 mL 50 mL 7.05 45.80 50 mL 15 mL 35 mL 50 mL 25 mL 25 mL Min 475e (07Seconds 50 mL 35 mL 15 mL Part 2: The Effect of Temperature Time (sec) Temperature Temperature KIO3 Instructor Name: Student Name: DATA ANALYSIS: Part 1: Effect of Concentration: 1. For each trial calculate: The concentration of...
I am not sure if the graph on number 1 would be a 0 order reaction....
I am not sure if the graph on number 1 would be a 0
order reaction. Also on number 3 I am not sure how to do the rate
law and find k
Post-Lab Report (Use the In-lab observations to complete the laboratory report. Turn in to your Instructor when you have completed the report.) PART A. KIO, SOLUTION (SOLUTION A). Molarity of KIO, stock solution - 02_M Total volume of reaction 100 m l Initial conc. Time Mixture mL...
Instructor Name: Student Name: EXP #4: PRE-LAB EXERCISE (there are questions on both sides) 1. Given the following...
Instructor Name: Student Name: EXP #4: PRE-LAB EXERCISE (there are questions on both sides) 1. Given the following data, determine the orders (m and n) with respect to the concentrations of A and B in the reaction A+ Bproducts Rate k[A]"[B* Time for reaction [BI [A] TAM 19 sec 0.020 M 0.020 M 19 sec 0.020 M 0.010 M 76 sec 0.010 M 0.020 M 76 sec 0.010 M 0.010 M Orders: n= m= What time would you predict if...
please help im so confused Student Name Instructor Name: EXP #4: PRE-LAB EXERCISE (there are questions...
please help im so confused
Student Name Instructor Name: EXP #4: PRE-LAB EXERCISE (there are questions on both sides) I. Given the following data, determine the onders (m and m) with respect to the concentrations. of A and B in the reaction A B products Rate- k[A][B) Time for reaction [A [BJ 19 sec 0.020 M 0,020 M 19 sec 0.010 M 0.020 M 76 sec 0.020 M 0.010 M 76 sec 0.010 M 0.010 M Orders: What time would...
Question 5 5 pts A pair of students collected the following data. What is the correct mole ratio ...
Question 5 5 pts A pair of students collected the following data. What is the correct mole ratio based on the data collected? Temperature CIO S203 Change 20 30 30 20 10 40 40 10 2.6 6.5 10.1 6.3 5 45 1.4 Computer 9 MATERIALS Venier computer interface computer Temperature Probe two 10 mL graduated cylinders two 25 mL graduated cylinders two 50 mL graduated cylinders three 250 mL beakers 0.50 M sodium hypochlorite, NaOCI, solution 0.50 M sodium thiosulfate,...
please help with- chem lab: Reaction Rates After Thought (1-4d) THANKS!! REACTION RATES The After Thought...
please help with- chem lab: Reaction Rates After Thought (1-4d)
THANKS!!
REACTION RATES The After Thought 1. Cross out the incorrect statement(s) dealing with factors affecting the rate of a chemical reaction. The rate of a chemical reaction increases: - with increasing concentration of a reactant since the number of collisions increases - with decreasing temperature since the activation energy is reduced - by pulverizing a reacting solid because its exposed surface area increases - with the addition of a...
EXPERIMENT 9 CHEMICAL REACTIONS: STOICHIOMETRY LABORATORY REPORT Your Name TA's Name You must rea...
EXPERIMENT 9 CHEMICAL REACTIONS: STOICHIOMETRY LABORATORY REPORT Your Name TA's Name You must read pages 69 and 70 to complete the following calculations. Lab Section 1411. Date Trial #1 Trial #2 Trial #3 vol . 0.100 M K2CO, solution -1200 mL 12.00 mL mmole K2CrO vol. 0.100 M Pb(NO,), solution 10.00ml mmole Pb(NO) 12.00m 14.00 mL 20 g mass product+paper 0.579 g0.654 g mass dry filter paper 0266 mass PbCrO, collected precip. 9 mmole Pbcro, CALCULATIONS AND QUESTIONS (USE THE...
Please help me solve page 2 and 3 Data Table 1 Mixture 4 Mixture1 Mixture 2...
Please help me solve page 2
and 3
Data Table 1 Mixture 4 Mixture1 Mixture 2 Mixture 3 Volume of 4.00M Acetone (C3H6O) Volume of 1.0OM HCI Volume of 0.00500M I Volume of H20 10.0ml 20.0mL 10.0mL 10.0mL 10.0mL 20.0mL 10.0mL 10.0mL 5.0mL 10.0ml 10.0mL 10.0mL 10.0mL 25.0mL 10.0mL 20.0mL 50.0mL 50.0mL Total Volume (mL) 50.0mL 50.0mL ec 2.07m4.2 sec 2-24 mi21344s 24-8 5%0 4-51 mine 270-66e 241 218K-24-852 Reaction Time (s) 24-65C 24 850C Mixture Temperature (°C) Concentration and...
a. Plot your titration data (volume of NaOH used on the x-axis and the corresponding pH value on the y-axis) Phosphori...
a. Plot your titration data (volume of NaOH used on the x-axis
and the corresponding pH value on the y-axis)
Phosphoric Acid + Sodium Hydroxide
Al3+ + Sodium Hydroxide
data:
1. Graphing your results: Plot your titration data (volume of NaOH used on the x-axis and the corresponding pH value on the y-axis). Make the graph large enough so that it occupies most of the page; but also pick a size which allows you to divide the x- and y-axes...
Question 3
Sample Data and Graphs Solution A Reaction Time Reaction Rate (sec) Experiment 0.1 M KIO, (sec) Water 1 50 mL 150 mL 17 0.0606 7 100 mL 100 mL 0.125 3 25 mL 175 mL 33 0.0303 4 20 mL 180 mL 45 0.0222 80 mL 120 mL 10 0.100 25 sec (predicted) 26 sec (actual) Challenge! 33 mL. 167 mI. 50 40 30 20 10 C 50 100 150 C Volume of KIO, (mL) 0.16 0.12 R...
Student Name: Instructor Name: DATA (EXP #4) Part 1: Effect of Concentration Time (sec) mL NaHSO3/starch mL water mL KIO3 ai.lolo 50 mL 0 mL 50 mL 7.05 45.80 50 mL 15 mL 35 mL 50 mL 25 mL 25 mL Min 475e (07Seconds 50 mL 35 mL 15 mL Part 2: The Effect of Temperature Time (sec) Temperature Temperature KIO3 Instructor Name: Student Name: DATA ANALYSIS: Part 1: Effect of Concentration: 1. For each trial calculate: The concentration of...
I am not sure if the graph on number 1 would be a 0
order reaction. Also on number 3 I am not sure how to do the rate
law and find k
Post-Lab Report (Use the In-lab observations to complete the laboratory report. Turn in to your Instructor when you have completed the report.) PART A. KIO, SOLUTION (SOLUTION A). Molarity of KIO, stock solution - 02_M Total volume of reaction 100 m l Initial conc. Time Mixture mL...
Instructor Name: Student Name: EXP #4: PRE-LAB EXERCISE (there are questions on both sides) 1. Given the following data, determine the orders (m and n) with respect to the concentrations of A and B in the reaction A+ Bproducts Rate k[A]"[B* Time for reaction [BI [A] TAM 19 sec 0.020 M 0.020 M 19 sec 0.020 M 0.010 M 76 sec 0.010 M 0.020 M 76 sec 0.010 M 0.010 M Orders: n= m= What time would you predict if...
please help im so confused
Student Name Instructor Name: EXP #4: PRE-LAB EXERCISE (there are questions on both sides) I. Given the following data, determine the onders (m and m) with respect to the concentrations. of A and B in the reaction A B products Rate- k[A][B) Time for reaction [A [BJ 19 sec 0.020 M 0,020 M 19 sec 0.010 M 0.020 M 76 sec 0.020 M 0.010 M 76 sec 0.010 M 0.010 M Orders: What time would...
Question 5 5 pts A pair of students collected the following data. What is the correct mole ratio based on the data collected? Temperature CIO S203 Change 20 30 30 20 10 40 40 10 2.6 6.5 10.1 6.3 5 45 1.4 Computer 9 MATERIALS Venier computer interface computer Temperature Probe two 10 mL graduated cylinders two 25 mL graduated cylinders two 50 mL graduated cylinders three 250 mL beakers 0.50 M sodium hypochlorite, NaOCI, solution 0.50 M sodium thiosulfate,...
please help with- chem lab: Reaction Rates After Thought (1-4d)
THANKS!!
REACTION RATES The After Thought 1. Cross out the incorrect statement(s) dealing with factors affecting the rate of a chemical reaction. The rate of a chemical reaction increases: - with increasing concentration of a reactant since the number of collisions increases - with decreasing temperature since the activation energy is reduced - by pulverizing a reacting solid because its exposed surface area increases - with the addition of a...
EXPERIMENT 9 CHEMICAL REACTIONS: STOICHIOMETRY LABORATORY REPORT Your Name TA's Name You must read pages 69 and 70 to complete the following calculations. Lab Section 1411. Date Trial #1 Trial #2 Trial #3 vol . 0.100 M K2CO, solution -1200 mL 12.00 mL mmole K2CrO vol. 0.100 M Pb(NO,), solution 10.00ml mmole Pb(NO) 12.00m 14.00 mL 20 g mass product+paper 0.579 g0.654 g mass dry filter paper 0266 mass PbCrO, collected precip. 9 mmole Pbcro, CALCULATIONS AND QUESTIONS (USE THE...
Please help me solve page 2
and 3
Data Table 1 Mixture 4 Mixture1 Mixture 2 Mixture 3 Volume of 4.00M Acetone (C3H6O) Volume of 1.0OM HCI Volume of 0.00500M I Volume of H20 10.0ml 20.0mL 10.0mL 10.0mL 10.0mL 20.0mL 10.0mL 10.0mL 5.0mL 10.0ml 10.0mL 10.0mL 10.0mL 25.0mL 10.0mL 20.0mL 50.0mL 50.0mL Total Volume (mL) 50.0mL 50.0mL ec 2.07m4.2 sec 2-24 mi21344s 24-8 5%0 4-51 mine 270-66e 241 218K-24-852 Reaction Time (s) 24-65C 24 850C Mixture Temperature (°C) Concentration and...
a. Plot your titration data (volume of NaOH used on the x-axis
and the corresponding pH value on the y-axis)
Phosphoric Acid + Sodium Hydroxide
Al3+ + Sodium Hydroxide
data:
1. Graphing your results: Plot your titration data (volume of NaOH used on the x-axis and the corresponding pH value on the y-axis). Make the graph large enough so that it occupies most of the page; but also pick a size which allows you to divide the x- and y-axes...
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