What was the initial molarity of the hcl solution
If 27.5 mL of a 0.1 M NaOH solution is needed to neutralize 50.0 mLof an HCl solution, what was the initial molarity of the HCl solution?
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Consider a 4-engine aircraft (2 on each wing) where the probability of an engine failure is 0.001. Draw the reliability block diagram corresponding to this system corresponding to part b.
A 0.0450 M solution of para-aminobenzoic acid had an absorbance of 0.844 at 267 nm in a 1.00 cm cuvet, and an absorbance of 0.034 at 240 nm. A 0.0366 M solution of nicotinic acid had absorbances of 0.010 and 0.755 at 267 and 240 nm, respectively.
Can this company be accused of paying substandard wages? Use alpha = 0.01 level test. Calculate the p-value. Does it suggest the same as your HT?
A-6-nC point charge is located at the center of a conducting spherical shell. The shell has an inner radius of 2 m, an outer radius of 4 m, and a charge of +6 nC. (Let the radially outward direction be positive.)
Two resistors, one of 5 ohms and the other of 3 ohms, are connected in series to a 6V battery. (a) What is the resistance of the combination? (b) What is the potential difference across each resistor?
The following experiment was carried out with a newly made gaseouschlorofluoro carbon. 50.0 ml of the gas effused through a barrier in157 secs. the same volume of argon effused through the barrier in 76 secs. under the same condition.
It then sails from the second island to the third island in a direction 74.0° west of north. Finally, it returns to the first island, sailing in a direction 28.0° east of south. (a) Calculate the distance between the second and third island
Compare the COP for this refrigeration cycle with the COP of an ideal refrigeration cycle operating between an evaporator pressure of 400 kPa and a condenser pressure of 1400 kPa.
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