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Science · Chemistry
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10) Equilibria represent concentration differences. Most of the equilibrium looked at have established concentration differences by using up reactants and making products Equilibrium concentration differences can also be established by physical partitioning of products and reactants. (14 points) Inside your muscle cells, the concentration of potassium ions is around 0.15 M. outside your muscle cells, in your blood plasma, the potassium ion concentration is around 0,0050 M. In between these two concentrations of cations is a cell membrane with enzymes that pump potassium ions into the cell and establish an equilibrium that looks like: K* (aq, extracellular, 0.0050 M) K* (aq, intracellular, 0.15 M) a) What is the equilibrium constant for this reaction? b) How much energy, in kJ/mole, must be expended to establish this equilibrium at 37 C? Inside a cell, adenosine triphosphate, ATP, is the coin of the realm for energy. When ATP is hydrolyzed, 30.5 kJ/mole of ATP are released, according to the following reaction: ATP (aq) Hao 0 ADPs (aq) H2PO4 A Go -30.5 kJ/mole c) How many moles of K+ can be pumped for every mole of ATP hydrolyzed? Please show all work
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