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Question- Calculate the pH of a buffer made by dissolving 1 mol formic acid (hcooh) and 1.0 mol Sodium formate (HCOONa) in 1.0 L of solution (pHa = 3.74)
I am not able to solve the above problem somebody help me to get the correct answer
What is the role of sodium sulfite in the experimental procedure of the creation of Benzoic acid. -I know that it breaks down any remaining bleach that did not react, but can someone please explain how it works
Several oxidation reductions take place. List three examples of oxidation reduction reactions that are involved. Show what is oxidized what is reduced, and indicate which enzyme (E1, E2, E3) is involved.
What is the approximate molar mass of lauryl alcohol if the molal freezing-point-depression constant for benzene is 5.12 ºC/m?
The mass of the piston and the effects of atmospheric pressure acting on the piston are such that a pressure of 500 Kpa is required to to raise it. How much energy must be transferred by heat to the helium, in KJ before the piston starts to rise? ..
To what volume should you dilute 150 mL of an 8.00 M CuCl_2 solution so that 55.0 mL of the diluted solution contains 5.9 g CuCl_2
The activation energy for the denaturation of a protein is 391.0 kJ/mole. At what temperature will the rate of denaturation be 19 percent greater than its rate at 25.00 degrees Celsius?
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 degrees C. The initial concentrations of Pb2+ and Cu2+ are 5.00×10^?2 M and 1.50 M , respectively.
Explain which of the following coordination compounds have geometric isomers. If the geometry of the coordination compound is given. There may be more than one correct choice thus select all that apply.
In which case is a process spontaneous at any temperature? delta H : Negative delta s : Positive 6. For the reaction: C3H8(g) + 5O2(g) ->3CO2(g) +4H2O(l) Calculate the delta G at 298K given the delta G, KJ/mol of C3H8(g)=-23.47; O2=0; CO2=-394.4; ..
A large flask is evacuated and weighed, filled with argon gas, and then reweighed. When reweighed, the flask is found to have gained 3.219 g. It is again evacuated and then filled with a gas of unknown molar mass
the enthalpy of formation of ethanol c2h5oh is -277.0 kjmol at 298.15k. calculate the enthalpy of combustion of one
A 45.5g sample of copper at 99.8 Celsius is dropped into a beaker containing 151 g of water at 18.5 Celsius.
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