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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.
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Tn 220215 SCHE-1008-02: Activity X
C
MasteringChemistry: Chapter 8: X
<Chapter 8: Section 8.4. - 8.6. The Combine Gas Law
Problem 8.81
=
In 1783, Jacques Charles launched his first balloon filled with
hydrogen gas (H₂), which he chose because it was lighter
than air. The balloon had a volume of 36000 L at a pressure
of 757 mmHg and a temperature of 22 °C. When the
balloon reached an altitude of 1000 m, the pressure was 654
mmHg and the temperature was -8 °C.
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Jacques Charles used
hydrogen to launch his
balloon in 1783.
Part A
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Ot
What was the volume, in liters, of the balloon at these conditions, if the amount of hydrogen remains the same?
Express your answer to two significant figures and include the appropriate units.
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