What is the ratio of protonated to unprotonated species
What is the ratio of protonated to unprotonated species when an acid with a pka of 5.0 is present in a solution with a pH of 6?
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An air-filled parallel-plate capacitor consists of plates of area 2.40 cm2 separated through 2.00 mm. The capacitor is joined to a battery of 21.0 V. (i) Determine the value of the capacitance.
The yield was 1.50 g aspiring. A student prepared aspirin in a lab experiment using the reaction that aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). Determine the theoretical yield and the
Determine the pH of the solution after addition of 10.00 mL of HCL to the NaHCO3 solution? A 10.00-mL aliquot of 0.1000M NaHCO3 is titrated with the 0.1000M HCL.
When copper wire of 63.4 cm (having diameter = 1.21 mm and resistivity = 1.69 x 10-8O•m) is made into a circular loop and positioned perpendicular to a uniform magnetic field which is rising at the constant rate of 14.9 mT/s, at what ra
Through one end there is an inward magnetic flux of around 25.2 µWb. At the other end there is a uniform magnetic field of 1.92 mT, normal to the surface and directed outward. Find out the magnitude of the total magnetic flux via the curved
Determine the numbers of different aldol addition products can be produced in the reaction of equal amounts of butanal and propanal with aqueous sodium hydroxide at the 0 degree centigrade?
Let random variable X be number of justices appointed in the year. Assume that X has the binomial distribution with n=4. Determine p (probability) to four decimals using mu.
Determine the volume of a 5.0-carat diamond? Diamonds are measured in carats, and 1 carat = 0.200g. The density of diamond is 3.51 g/cm3.
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