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Two gases A and B are held at the same temperature. One of the gases is diatomic, and the other is not. It is found that the ratio of the rms speeds of the two gases is:V(a)/V(b) = 0.8542
Find the most likely composition of A and B. That is, what are the two gases?For the purpose of this exercise, assume the gases are pure, and are composed of the most common isotope.
Explain the difference between simple and fractional distillation. What are the differences in glassware used in simple vs. fractional distillation
Enough of a monoprotic acid is dissolved in water to produce a 0.0198 M solution. The pH of the resulting solution is 6.37. Calculate the Ka for the acid.
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
With initial concenration of A and B of 0.04 mol/L, the rate of formation of AB is measured at 0.005 mmol/(Ls). When the initial concentration of A is raised to 0.07 mol/L, with that of B the same as before, the rate of formation of AB increases t..
Which of these ions best represents the conjugate acid in a "phosphate" buffer at physiological pH? Explain. H2PO4^-, HPO4^2-, PO4^3-
estimate the amount of water that would have to be lost in perspiration to keep his body temperature constant. The heat of vaporization of water may be takenas 2.41kJ/g. (1lb=453.6g)
Assume that the kinetic energy of a 1250 kg car moving at 115 km/h could be converted entirely into heat. What amount of water could be heated from 19 C to 48 C by the car's energy.
what is the osmotic pressure of a homogenous solution at the temperaturenbsp at 25oc as this solution is consisting of
Identify the Qual I cation(s) that is (are) confirmed present in a test solution as a result of a Bronsted acid-base reaction.
an aqueous solution is prepared by diluting 3.30ml acetone ch3coh3 d 0.789gml with water to a final volumeof 75.0 ml.
what would be the effect on your calculated concentration of NaOH, if, unbeknownst to you, someone left the KHP out and it absorbed water?
A piston has an external pressure of 11.0 atm . How much work has been done if the cylinder goes from a volume of 0.150 liters to 0.620 liters.
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