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A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP(aq) + H20(l) ----> ADP(aq) + HPO4^2- (aq)
For which change in G rxn = -30.5 kJ/mol at 37.0 celsius and pH 7.0 . Calculate the value of change in G rxn in a biological cell in which ATP=5.0mM [ADP]=0.20mM and [HPO4^2-]=5.0mM change in G rxn=________kJ/mol is the hydrolysis of ATP spontaneous under these conditions? yes or no?
The pH of a 0.40 M HF(aq) solution is 1.93. Calculate the change in pH when 0.356 g of sodium fluoride is added to 50.0 mL of the solution. Ignore any change in volume.
The molecular weight of X is 65.0 g/mol. The heat required to melt one mole of the solid phase is 20.0 kJ, the heat required to sublime one mole of the solid phase is 40.0 kJ, and the heat required to vaporize one mole of the liquid phase is 30.0 ..
Define in terms of the electronic structure of an element, chemical activity as it relates to metals, nonmetals, and noble gases. Discuss the change in chemical activity of metals as you go down a group.
What mass of sulfamic acid (H2NSO3H) will you need to use in order that the titration will require 40.00 mL of the NaOH solution
One mole of a monatomic ideal has at a temp of 500K and 6atm pressure is subjected to the following changes: (all are reversible changes)
A dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women. a)How many groups could be formed? b) which sex is in excess? By how much? (show calculation..
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is?
Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate H for the overall equation:
Diffussion controlled electrolysis proceeds on (a) planar and (b) spherical electrode under the conditions: n = 1, C = 1 mM, A= 0.04 cm^2, D = 1.5x10^-5 cm^2/s.
how does structure help predict and affect the Rf of each compound based on intermolecular forces
If an unknown substance with the formula Ba(subscript x)Cl(subscript y)•(variable z)H(subscript 2)O was added to water and Na(subscript 2)HPO(subscript 4), the precipitate formed is Barium phosphate. What is the net ionic equation for this precipi..
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