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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 ATP (aq)+H2O(l)-->ADP(aq)+HPO4^-2(aq) for which Î"G °rxn = â€"30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of Î"Grxn in a biological cell in which [ATP] = 5.0 mM, [ADP] = 0.90 mM, and [HPO42â€"] = 5.0 mM.
A room of volume of 2 cubic meters is initially at 19 C and 101 kPa. A block of dry ice (solid carbon dioxide) is dropped into the room and then the room is sealed (air tight)
What is the molecular weight of a gas if a 21.0 g sample has a pressure of 836 mm Hg at 25.0 C in a 2.00 L flask?
Is the reaction spontaneous?
C2H4+2O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent b. calculate the moles of water produced
Classify each reactant as the reducing agent, oxidizing agent, or neither.
112 mL of a glucose (C6H12O6) solution is prepared by diluting 8.2 mL of a stock solution of unknown concentration. If the dilute solution contains 0.20 moles of glucose
Write equations illustrating the reactions with water of the following acids. Indicate strong acids with a single arrow and weak acids with equilibrium arrows. Use hydronium ion in you answer if needed.
Prepare the molecular formula for given compounds and determine the amount of molecules present and write the molecular formula and determine how many grams of each you have
A 578 mL sample of hydrogen gas was collected over water at 25°C and a pressure of 783 torr. If the pressure of water vapor is 24.0 torr at 25.0°C, what mass of hydrogen gas (g) was collected?
what relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a buffe
Why are active firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters
A sample of of H2O with a mass of 46.0 grams has the temperature of 100C ,how many jolues of energy are necessary to boil the water.
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