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The standard EMF of Pt/H2(g)/HCl(aq)//AgCl(aq)/Ag has been experimentally determined from 0-90oC to yield the following;
Eo/V = 0.23659 - 4.856 * 10-4t(oC) - 3.4205 * 10-6t2(oC) + 5.869*10-9t3(oC)
Determine the values of ΔGo, ΔSo ,ΔHo and ΔCpo at 25oC for the reaction:
H2(g) +AgCl(s).......HCl(aq) + Ag(s)
E0 =0.2224V, 1F =96485 Cmol-1
Consider the following reaction at equilibrium. What effect will increasing the volume of the reaction mixture have on the system
When using a medicine dropper or a meat baster, you squeeze the rubber bulb and insert the end of the tube into a liquid. Why does the liquid rise inside the dropper or baster when you release the bulb?
What would you use to prepare a buffer system with a pH of around 4.2. What would you use to make a buffer with a pH of around 9.2? Describe the process you used to choose the correct buffer for each pH.
dissolved .31 grams of KHP in 25 ml of water and it required 15.5ml of NaOH to reach end of titration, how many moles of KHP were originally present before the addition of the NaOH?
Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
What is the value of q when 7.12g of water vaporizes at 373 K? The enthalpy of condensation of water at 373 K is -40.7 kJ/mol.
The second time, 1.3mL is added to reach the end point. How would I calculate the molarity of the hydroxide ion (OH-) for the two tests
.375 kg of water are in a well insulated container at 21.3 degrees celsius. After 4.184 kJ of heat is added to the water, what is the final water temperature
How many moles of Fe would be formed from 50 grams of Fe3O4 in the following equation
The heat of solution of ammonium chloride (NH4Cl(s)) in water is +14.7 kJ/mol. Calculate the mass (in g) of NH4Cl(s) required to change the temperature of (1.2550x10^2) ml of water from (2.440x10^1) °C to (5.30x10^0) °C.
Consider the following exothermic reaction: C2H4 (g) + Cl2 (g) C2H4Cl2 (g) If you were a chemist trying to maximize the amount of C2H4Cl2 produced, which of the following might you try?
What is the equation and color of product for chemical reaction Cd2+ (aq) + S2-(aq), SnS2(s) + OH-(aq), Cu2=(aq) + NH3(aq)
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