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What is the pH of the final solution when 25 mL of 0.022 M HCl has been added to 35 mL of ) .040 M HCl at 25 deg C?
Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur
What is the path these electrons use in the Electron Transport Chain? Answer A. Complex I, Complex II, Complex III, Complex IV, O2 to H2O B. Complex II, Complex III, Complex IV, O2to H2O C.
A 295 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?
Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH 4 , at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
Powdered Iron is added to a solution of Iron III sulfate, what happens. Please provide a narrative explanation.
how many grams of carbon dioxide would be produced if 45 grams of C6H12O6 completely reacted with oxygen?
Calculate the standard free energy change and the equilibrium constant for the following reaction at 25°C: (all aqueous solutions are 1 M) Au(s) + Ca2+ (aq) ? Au3+(aq) + Ca(s)
CO(g)+Cl2----COCl2(g) Kc=255 at 1000 K If the reaction mixture contains a CO concentration of 0.1500 M and a Cl2 concentration of 0.175 M at 1000K. What are the concetnrations of each substance when equilibrium is reached
calculate the concentration of each diluted reactant in the 50.0ml volumetric flask. then calculate the concentration of each reactant in the reaction beaker before any reaction has occured.
The bottle is opened and more liquid ethanol is added. The bottle is quickly sealed again. Describe what will happen to the pressure in the bottle as a function of time.
You want to prepare a pH=4.50 buffer using sodium acetate and glacial acetic acid. You have on hand 300 mL of 0.100 M sodium acetate. How many grams of glacial (water free) acetic acid should you add to prepare the buffer
Will the reaction shift towards the products or the reactants if Ag+ Ions are added to this equilibrium. CoCl4^2-(aq) + 6H2O(l) Co(H2O)6^2+(aq) + 4Cl-(aq)
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