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Write the half reactions and the balanced equation for the galvanic cell Hg(l)| Hg2+ 2 (aq)|| MnO- 4 (aq), Mn2+(aq), H +(aq)| Pt(s).
What is the smallest possible integer coefficient of H+(aq) in the combined balanced equation?
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution
The volume percentage of CO2 in a mixture of that gas with N2 was determined by bubbling the mixture at 1.00 atm and 25*C through a solution of 0.0100 M NaHCO3 and measuring the pH. If the equilibrium pH was 6.50, what is the volume percentage of ..
What is the pH of a solution of 0.050M formic acid(HCO2H, Ka=1.8*10^-4) and 0.035M sodium formate
What is the relationship between atomic radius and ionization energy.
Question- Arrange the following compounds in order of reactivity and explain the trend. a) Bromobenzene, 2-bromobutane, 1-bromobutane, 2-bromo-2-methylpropane.
In your house (elevation 950ft above sea level) you have a barometer that registers inches of mercury. On an average day in january, the pressure was 0.966 bar on 700 ft elevation
The solubility product for Zn(OH)2 is 3.0*10^-16. The formation constant for the hydroxo complex, Zn(OH)4^2- is 4.6*10^17. What is the minimum concentration of OH- required to dissolve 2.0×10-2 mol of Zn(OH)2 in a liter of solution
How many H- ions are around each Na+ ion in NaH, which has a cubic unit cell with H- ions on each corner and each face
A buffer solution is prepared by dissolving 0.075 moles of HOBr and 0.075 moles of NaOBr in 500mL of solution. Calculate the pH of this buffer. (HOBr: Ka = 2.4 * 10^-9)
A beaker contains 250 mL of a 1.00 M HCl solution. how many moles of the acid would remain in the solution after 1.099 moles of HCl are neutralized? Show each step.
A. It is a compound that lost a pair of electrons B. It is a compound that gained a pair of electrons C. It is a compound that gained one electron D. It is a compound that lost one electron E. It is a compound that carries a free radical and a neg..
calculate the Al(III) concentration in the original unknown solution by correcting the dilution made when preparing the sample for analysis.Given: 10 mL unknown solution
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