2.0x10^-4bmoles of s4o8^2- in 50ml of solution is consumed in 188 seconds , what is the rate of consumption of s2o4.

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Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.20PAE: Experimental data are listed here for the reaction B: Time (s) IB] (mol/L) 0.00 0.000 10.0 0.326...
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2.0x10^-4bmoles of s4o8^2- in 50ml of solution is consumed in 188 seconds , what is the rate of consumption of s2o4.

 

6. If moles of S,Og in 50 of is in 188 seconds, what is the rate of con-
7. Why are with the rates of does this
42 Report Sheet
• Rates of Chemical Reactions I: A Clock Reaction
6. If 2.0x10-4
sumption of S,O,-?
2-
moles of S,0g in 50 mL of solution is consumed in 188 seconds, what is the rate of o
*why are chemists concerned with the rates of chemical reactions? What possible practical value does this
type of information have?
°. Suppose you were dissolving a metal such as zinc with hydrochloric acid. How would the particle size of
the zinc affect the rate of its dissolution?
8.
9. Assuming that a chemical reaction doubles in rate for each 10 °C temperature increase, by what factor
would the rate increase if the temperature increased 40 °C?
10. A reaction between substances A and B has been found to give the following data:
3A +2B 2C+D
Rate of appearance of C
(mol/L-hr)
(mol/L)
(7/1ou)
1.0
1.0x10-2
0.300x10-6
1.0×10-2
3.0
8.10x10-6
2.0x10-2
3.0
3.24x10-5
2.0x10-2
1.0
1.20x10-6
3.0×10-2
3.0
7.30x10-5
inn the above data, determine the order of the reaction with respect to A and B, the rate law, and
calculate the specific rate constant.
Transcribed Image Text:6. If moles of S,Og in 50 of is in 188 seconds, what is the rate of con- 7. Why are with the rates of does this 42 Report Sheet • Rates of Chemical Reactions I: A Clock Reaction 6. If 2.0x10-4 sumption of S,O,-? 2- moles of S,0g in 50 mL of solution is consumed in 188 seconds, what is the rate of o *why are chemists concerned with the rates of chemical reactions? What possible practical value does this type of information have? °. Suppose you were dissolving a metal such as zinc with hydrochloric acid. How would the particle size of the zinc affect the rate of its dissolution? 8. 9. Assuming that a chemical reaction doubles in rate for each 10 °C temperature increase, by what factor would the rate increase if the temperature increased 40 °C? 10. A reaction between substances A and B has been found to give the following data: 3A +2B 2C+D Rate of appearance of C (mol/L-hr) (mol/L) (7/1ou) 1.0 1.0x10-2 0.300x10-6 1.0×10-2 3.0 8.10x10-6 2.0x10-2 3.0 3.24x10-5 2.0x10-2 1.0 1.20x10-6 3.0×10-2 3.0 7.30x10-5 inn the above data, determine the order of the reaction with respect to A and B, the rate law, and calculate the specific rate constant.
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