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src="/qa/attachment/10755066/" alt="12.b.2.png" />hI, tutor! Can you help me these chemistry question with detailed explanation? thank you so much!


Thermodynamic Table at 25 .C
Substance AH. (kJ/mol) S (J/mol-K) AG; (kJ/mol)
CH, OH(1)
CH, OH(g)
Consider the equilibrium of methanol vapor and the liquid.
CH, OH(1) - CH, OH(g)
What is the vapor pressure of the methanol at -30 .C?
What is the vapor pressure of the methanol at 40 *C?
Pvap =


A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of
adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction
ATP(aq) + H, O(1) -> ADP(aq) + HPO;-(aq)
for which AGixn = -30.5 kJ/mol at 37.0 'C and pH 7.0. Calculate the value of AGrxn in a biological cell in which
[ATP] = 5.0 mM, [ADP] = 0.70 mM, and [HPO, -] = 5.0 mM.
AGrxn =
Is the hydrolysis of ATP spontaneous under these conditions?
O no


What would the potential of a standard hydrogen electrode (S.H.E.) be under the given conditions?
[H+] = 0.32 M
PH, = 3.6 atm
T = 298 K
E =

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