Calculate the ph of a 00155 m solution of carbonic acid
Calculate the pH of a 0.0155 M solution of carbonic acid H2CO3. The Ka1 of carbonic acid = 4.3 x 10-7 and the Ka2 of carbonic acid = 5.6 x 10-11.
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Determine the gravitational force acting between two spheres that are touching each other. The mass of each sphere is 400 kg and the radius is 300mm.
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The supplier says it would prefer to sell the company a 65% NaOH solution and the company says the water content is immaterial as long as the equivalent costs are the same including freight.
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
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What is the ground-state electron configuration of the fluoride ion F-? Express your answer in condensed form, in order of increasing orbital energy.
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