A bicarbonate/carbonic acid buffer is present in Coca-Cola, human blood, and chickens. However, chickens also combine the carbonate in their blood with calcium ions to create calcium carbonate for their eggshells. Since chickens do not sweat, they pant in hot weather. Panting helps to reduce the acidity of the blood by blowing out carbon dioxide. What effect would this have on the pH of their blood and the strength of eggshells they produce

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What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.