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Physical Chemistry
Calculate the mg of metallic ions that can remain at equilibrium in a Cu(OH)2 solution having an OH- concentration of 1x10 -4 mol/dm3 (Ksp=1.6x10 -9)
Physical Chemistry
An alloy of copper, silver and gold is found to have copper constituting the ccp lattice. If silver atoms occupy the edge centres and gold is present at body centre, what is the formula of alloy?
Physical Chemistry
40 ml of solvents 0.05 and HNO2 are diluted to 75 ml and then titrated with 0.08M Ce4 + ionic salts,during titration pH is maintained 1. Calculate the potential of the indicator electrode after adding 5 ml of Ce4+
Physical Chemistry
In the reaction
2SO2+O2⟶2SO3
starting with 2 moles of SO2and 1 mole of O2in 1 L flask, mixture required 0.4 moles of MnO4- in acidic medium. Find Kc.
The correct answer to this question 2. Can someone please explain me the solution to this question?
2SO2+O2⟶2SO3
starting with 2 moles of SO2and 1 mole of O2in 1 L flask, mixture required 0.4 moles of MnO4- in acidic medium. Find Kc.
The correct answer to this question 2. Can someone please explain me the solution to this question?
Physical Chemistry
which reaction is likely to have a negative change in entropy
Physical Chemistry
the rate of chemical reaction
a) increase as the reaction proceeds
b) decreases as the reaction proceeds
c) both a and b
remains constant as reaction proceeds
a) increase as the reaction proceeds
b) decreases as the reaction proceeds
c) both a and b
remains constant as reaction proceeds
Physical Chemistry
I’ve seen the entropy change for the surrounding in an exothermic reaction given as simply:
∆H/T
However, entropy change depends on heat capacity and ∆H/T doesn’t take that into account.
Wouldn’t the surroundings entropy change depend on the heat capacity of the surroundings which in turn would depend on the composition of the surroundings?
Thanks for your help.
∆H/T
However, entropy change depends on heat capacity and ∆H/T doesn’t take that into account.
Wouldn’t the surroundings entropy change depend on the heat capacity of the surroundings which in turn would depend on the composition of the surroundings?
Thanks for your help.
Physical Chemistry
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I have a question about an electrochemical reaction in an experiment. in a electrolytic cell, we have an aqueous electrolyte includes potassium per sulfate and sodium hydroxide, anode and cathode both are copper surface, after electrochemical reaction, the surface of cathode has got oxide of copper, would you tell me what is the reaction took place in the cell and how the oxide of copper is made on the cathode? its so important for me, please help .
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I have a question about an electrochemical reaction in an experiment. in a electrolytic cell, we have an aqueous electrolyte includes potassium per sulfate and sodium hydroxide, anode and cathode both are copper surface, after electrochemical reaction, the surface of cathode has got oxide of copper, would you tell me what is the reaction took place in the cell and how the oxide of copper is made on the cathode? its so important for me, please help .
Physical Chemistry
Find the average value of <1/r> for the function ᵠ=e^(-r)
Physical Chemistry
Calculate the pH of a 0.1M solution of sodium acetate. What is the percent hydrolysis?
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#340153 on Dec 2023
#340153 on Dec 2023