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Calculate the electrode potential of hydrogen electrode at standard temperature if the electrode is immersed into acidic solution with pH = 2.85 and the partial pressure of hydrogen gas p(H2) = 0.73 atm. Electrode reaction: 2H+(aq) + 2e- = H2(g) E0 = 0.00 V
What is the strongest type of intermolecular force in the following compounds? dipole-dipole, london desperison or hydrogen bounding
What volume in liters of 0.94 M KOH solution should be added to a 0.090 L solution containing 9.1 g of glutamic acid hydrochloride
Based on the mass of caffeine, you can now determine the % weight of caffeine in the original tablet. How does this compare with what the packaging states?
Propanoic acid has a Ka of 1.4 x 10^5. If we make a solution 0.100 M in propanoic acid, what concentration of sodium propanoate should be added to give a buffer with a pH of 5.0?
calculate the volume (L) the gas will occupy when the temperature is increased to 155 °C while maintaining the pressure at 629 torr.
Calculate the cell potential for the following reaction as written at 61 °C, given that [Cr2 ] = 0.826 M and [Ni2 ] = 0.0200 M. Cr(s) + Ni ^2+ (aq) --> Cr^2+ (aq) + Ni(s)
the density of plutonium metal is 19.84 g/cm3 , and the density of plutonium (IV) oxide is 11.46 g/cm3. over a period of 7-10 years, a 2.5-kg sample of plutonium metal stored at Los Alamos National Laboratory in New Mexico was converted to plutoni..
Calculate the pH of of a solution prepared by mixing 60.0 mL of 0.160 M HCl with 15.0 mL of water. How much antacid containing 400.0 mg of Mg(OH)2 in 5 mL of water is needed
What is the pH of a solution that contains three parts of acetic acid and one part sodium acetate?
determine the mass of rbcn required to prepare a 500 ml solution which is .12 m rbcn mw 112
Write and balance the molecular equation and then give the ionic and net ionic equations for the neutralization reaction between NH3(aq) and H2SO4(aq).
Why do you think the enthalpy of activation, H ‡ , for a syn-periplanar elimination is higher than that for an anti-periplanar elimination
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