Question #126385
How to determine the kJ of energy obtained from 1 mole of NADH?
1
Expert's answer
2020-07-16T02:51:34-0400

The net gain from one cycle is 3NADH3NADH and 1FADH21FADH_2 as hydrogen- (proton plus electron)-carrying compounds and 11 high-energy GTP, which may subsequently be used to produce ATP. Thus, the total yield from 11 glucose molecule (22 pyruvate molecules) is 6NADH6NADH2FADH22FADH_2 , and 2ATP2ATP

The net equation for the hydrolysis reaction is;

Glucose+2NAD+2pi+2NADP2pyruvate+2H++2NADH+2ATP+2H++2H2O+energyGlucose+2NAD^+2p_i+2NADP\to 2pyruvate+2H^++2NADH+ 2ATP+2H^++2H_2O+energy

Calculating the amount of energy released per mole involves the following steps:

The first step involves the determination of moles of a solute.

q=mCgΔT.qq= m*C_g*\Delta T.q

Whereby q= Amount of energy released /absorbed

m= mass

Cg= Specific heat capacity

Δ\DeltaT= Change in temperature

To determine the moles of a solute =n=n == mMm\over M

Where n=moles of absolute

m= moles of absolute

M= Molar mass of absolute

To determine the amount of energy(heat) released or absorbed per mole of solute is calculated as

ΔH\Delta_H soln_{soln} == qnq\over n

Where ΔH\Delta_H = Molar enthalpy (heat) of solution

q= Amount of energy(heat)released /absorbed

n= moles of solute



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Comments

Tom
17.07.20, 04:29

Thanks a lot!

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