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Problem- Before the industrial revolution, the concentration of CO2 in the Earth's atmosphere was about 275 ppm. Considering the effect of dissolved CO2 only, calculate the effect that the increase in CO2 has had on the pH of precipitation.
I am not able to determine the correct answer for the above question please helps me to get the correct answer
the trunk remains undistrubed for 13,750 years what percentae of the original c-14 is still present ? ( half life of c-14 = 5730)
Which isomer of 1-bromo-3-isopropylcyclohexane reacts faster when refluxed with potassium tert-butoxide, the cis isomer or the trans isomer? Explain your reasoning and draw the structure of the expected product from the faster reacting isomer.
caffeine is about 10 times as soluble in hot water as in cold water a chemist puts hot water extract of caffeine in to
For a fixed amount of gas at a constant temperature, the volume increases as the pressure what
What is the barometric pressure exerted in pascals of a column of CHCl2Br (density = 2.451 g/cm3) 501.6 mm in height
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 1820 nm
A 1mL aliquot of the diluted digestate was then added to a separate 50mL graduated tube and filled to the 50mL mark. The sample was examined by GFAA and found to contain 15 ppb of lead. Explain how many ug/g of lead are in this soil sample
A rigid flask is initially filled with 4.00 atm of NO2(g) and no N2O4(g) at 100 C. After equilibrium is achieved, the pressure of NO2 is 1.56 atm.
One liter of a buffer solution is prepared by dissolving 0.150 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
determine the mass of precipitate in grams that forms when 213.8 ml of 0.132 m cacl2 solution is reacted with excess
hydrofluoric acid hf has a ka value of 7.2 times 10macr 4.a. 0.250 mol of fmacr ions in the form of naf are added to
a nuclear power plant that isnbsp operates at forty percent efficiency with a constant production of 1162 mw of
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