Sucrose (C12H22O11), which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula CoH12Oo. At 23 °C and in 0.5 M HCI, the following data were obtained for the disappearance of sucrose Time (min) C₁₂H₂O₁1 (M) 0.316 0.274 0.238 39 80 140 210 0.100 0.148 ▾ Part A Is the reaction first order or second order with respect to (C12H22011]? first second Part B k= Previous Answere ✓ Correct Upon graphing a plot of the In (C₁₂H₂2O₁1] versus time, the fit is linear, so the reaction is first order. A second-order reaction would generate a linear plot of the reciprocal of the concentration versus time. What is the rate constant? Express your answers using three significant figures. h Templates Symbols undo es keyboard shortcuts Help - Review Constants | Periodic Table min1
Catalysis and Enzymatic Reactions
Catalysis is the kind of chemical reaction in which the rate (speed) of a reaction is enhanced by the catalyst which is not consumed during the process of reaction and afterward it is removed when the catalyst is not used to make up the impurity in the product. The enzymatic reaction is the reaction that is catalyzed via enzymes.
Lock And Key Model
The lock-and-key model is used to describe the catalytic enzyme activity, based on the interaction between enzyme and substrate. This model considers the lock as an enzyme and the key as a substrate to explain this model. The concept of how a unique distinct key only can have the access to open a particular lock resembles how the specific substrate can only fit into the particular active site of the enzyme. This is significant in understanding the intermolecular interaction between proteins and plays a vital role in drug interaction.
![Problem 14.50 - Enhanced - with Feedback
Sucrose (C12H2₂2011), which is commonly known as table sugar, reacts in dilute acid
solutions to form two simpler sugars, glucose and fructose, both of which have the formula
C6H12O6. At 23 °C and in 0.5 M HCI, the following data were obtained for the
disappearance of sucrose:
Time (min) C₁2H2O₁1 (M)
0
0.316
39
0.274
80
0.238
140
0.190
210
0.146
Part A
Is the reaction first order or second order with respect to [C12H22011]?
Ⓒfirst
Osecond
Submit Previous Angware
▾ Part B
✓ Correct
Upon graphing a plot of the In (C₁₂H₂2O₁] versus time, the fit is linear, so the reaction is first order. A second-order reaction would generate a linear plot of the reciprocal of the concentration versus time.
What is the rate constant?
Express your answers using three significant figures.
Templates
Submit
Symbols
undo redo
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