29) What is the AHpn for the following reaction? 2CH4) C2H4ce)+2H%g) a) 2C2H6(e) + 702() 4CO2)+6H2O1) AH =-1208 kJ 6)CH4() +2026) → CO23) + 2H2O) AH =-394 kJ c) C2H4(e) +O2®) + 2H2) → C2H6()+ H2O AH = -572 kJ DHrxn 26.03レ- 28.0sv2,016_ 12.01 1,006 x 2=26.036 12.01 12.01t1.008x4= 28.052 「つい 2.016 -394K) 30) A hot air balloon is being inflated to its full extent by heating the air inside it. In the final stages of this process, the volume of the balloon changes from 4.00 x 10° L to 4.20 x 10 L by the addition of 1.3 x 10% J of energy as heat. Assuming that the balloon expands against a constant pressure of 1.0 atm, how much work does the balloon perform? 4.20 2.7v 10' 4.00x 106 :400000O
29) What is the AHpn for the following reaction? 2CH4) C2H4ce)+2H%g) a) 2C2H6(e) + 702() 4CO2)+6H2O1) AH =-1208 kJ 6)CH4() +2026) → CO23) + 2H2O) AH =-394 kJ c) C2H4(e) +O2®) + 2H2) → C2H6()+ H2O AH = -572 kJ DHrxn 26.03レ- 28.0sv2,016_ 12.01 1,006 x 2=26.036 12.01 12.01t1.008x4= 28.052 「つい 2.016 -394K) 30) A hot air balloon is being inflated to its full extent by heating the air inside it. In the final stages of this process, the volume of the balloon changes from 4.00 x 10° L to 4.20 x 10 L by the addition of 1.3 x 10% J of energy as heat. Assuming that the balloon expands against a constant pressure of 1.0 atm, how much work does the balloon perform? 4.20 2.7v 10' 4.00x 106 :400000O
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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.
Question
Transcribed Image Text:29) What is the AHn for the following reaction?
2CH4) C2He) +2He)
a) 2C2H6(e) + 702e) 4CO2e)+ 6H2Oa)
AH =-1208 kJ
6)CH4(2) + 2O2(2) → CO2(8)
+ 2H2Oq)
AH =-394 kJ
c) CH4) +Ozc@)*
+ 2H2e) → C2H60) + H2Oa)
AH=-572 kJ
DHrxn
26.036-28.0s2016
12.01 1.006 x 2=26.036
12.01 12.01t1.008x4- 28.052
2.016
-394K)
30) A hot air balloon is being inflated to its full extent by heating the air inside it. In the final stages
of this process, the volume of the balloon changes from 4.00 x 10° L to 4.20 x 10° L by the
addition of 1.3 x 10 J of energy as heat. Assuming that the balloon expands against a constant
pressure of 1.0 atm, how much work does the balloon perform?
4.20
2.7v 10?
4.00x 10
:4000000
4.20r10b = 4200000
1.3Y108 : 130000000
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