Calculate the ph at the half-equivalence
Calculate the pH at the half-equivalence point where a solution having an unknown concentration of benzoic acid (Ka= 6.5x 10-5) is titrated using a standardized solution of sodium hydroxide.
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Find out, how much work should the father do to pull the sled 0.2 km all along the slope? If he does this 5 times in an hour, determine his average power output?
Recognize the acid and the number of equivalents per mole and do the same for the base. Balance the following acid-base neutralization reaction. FeCl3 (Ferric chloride) reacts with NaHCO3(sodium bicarbonate)
Blood pressure is equivalent to the pressure under mercury of a particular depth and it is measured in millimeters of mercury. For example, a systolic pressure of 160 is actually equal to the pressure under 160 mm of mercury.
Standing at the top of the 150-foot cliff, angle of depression to the ship off shore is 14 degree. How far is ship from foot of cliff?
Wavelength of the sound wave in a room is 1.13 m and the frequency is around 301 Hz. Find out the speed of the wave in the room?
In a digital computer, the bit is one of integers {0,1}, and a word is any string of 32 bits. How many different words are poss
The average molecular weight of a nucleotide pair is 660 g/mol and each nucleotide pair contributes 0.34 nm to the length of DNA. The molecular weight of an E coli DNA molecule is about 3.1 X109 g/mol.
Compute the absolute pressure at the bottom of a fresh-water lake at a depth of 32.1 m. Suppose the density of the water is around 1.00 x 103 kg/m3 and the air above is at a pressure of 101.3 kPa.
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