What is the concentration of carbonate ion in the system
a. What is the pH of rainwater (containing no buffering other than from water itself) if the current concentration of carbon dioxide in the atmosphere is 390 ppm. Show calculations.
b. What is the concentration of carbonate ion in this system?
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A 0.40-kg block initially at rest on a frictionless horizontal surface is acted upon by a force of 3.0 N for a distance of 4.5 m. How much kinetic energy does the block gain?
A 53 g sample of impure KClO3 (solubility = 7.1 g per 100 g H2O at 20 degrees C) is contaminated with 13 percent of KCl (solubility = 25.5 g per 100 g of H2O at 20 degrees C).
A car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down?
Calculate the wavelengths of 1MeV, 10eV, and thermal (.025eV) gamma rays, electrons, neutrons and fission fragments (A=100). What is the ratio of the momenta of a 10-MeV 13C ion and 10-MeV photon?
What is the pH of rainwater (containing no buffering other than from water itself) if the current concentration of carbon dioxide in the atmosphere is 390 ppm. Show calculations.
If the applied force P=2000lbs determine the maximum horizontal deflection of the bottom of the beam and the maximum normal stress in the beam.
A charge of -2.205μC is located at (3.055m, 4.501m) and a charge of 1.800 μC is located at (-2.533m, 0). a) Find the electric potential at the origin.
The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g of steam at 100° C?
If the material modulus values are E=220 kN/mm2 and G=90 kN/mm2, estimate the extension in section dimensions due to the load in the axial direction.
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