Assuming levels of atmospheric co2 are 390 ppm co2 what is
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v.
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Explain the effect of pH on the aqueous solubility of dissolved organic matter (use the 13C NMR spectra on the International Humic Substances Society as your primary reference). Speculate on how DOM fractionation would change crossing a riverine (
The eyepiece of a refracting telescope (see Fig.34.53 in the textbook) has a focal length of 9.00 cm. What is the angular magnification of the telescope
Consider a continuos time LTI system with step response given by ys(t) = tu(t) - (t - 2)u(t-2). Determine the output y(t) if the input to the system is given by x(t) = u(t) - u(t - 2) using complex domain (not time domain) analysis techniques.
A square metal plate is heated to 80 degrees celsius at the corner corresponding to x = y = 1. The temperature distribution in the plate is described by T = 80e^(-(x-1)^2)*e^(-3(y-1)^2) Obtain the surface and contour plots for the temperature.
A small block with a mass of 0.117 kg is attached to a cord passing through a hole in a horizontal frictionless surface, How much work was done by the person who pulled on the cord
a proton moves through a region containing a uniform electric field given by E=50.0 v/m and a uniform magnetic field B=(0.200+.300+.400)T. Determine the acceleration of the proton when it has a velocity v=10.0m/s
Calculate the pH of a solution prepared by diluting 2.5 mL of 1M acetic acid up to a final volume of 100 mL (pka 4.76)
A 3.00-g bullet, traveling horizontally with a velocity of magnitude 370 m/s, is fired into a wooden block with mass 0.800 kg, What is the decrease in kinetic energy of the bullet
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