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Throughout the photosynthetic activity of algae the pH of the water is 10.0. Compute CO2, HCO3, CO3(2-), and OH- and the weight of biomass, CH2O produced. Presume no input of atmospheric CO2.
How many grams of calcium hydroxide is produced when 3.2 micrograms of CaC2 reacts with 5.1 micrograms of water?
Initially a mixture contains 0.795 mol each of N2 and O2 in an 8.00 L vessel. Find the equilibrium composition of the mixture at 3900 degrees Celcius.
A sodium chloride crystal in a beaker. As water is added the salt dissolves into positive sodium ions and negative chloride ions. Hydration refers to the final state of this process such that the water molecules tend to orient around the ions.
You used 32 grams of Lime away solution in a titration. The titration required 18.06 ml of a KOH solution which had a molarity of 11.4 m KOH. What is the percent of HC1 in the lime away
A balloon is filled to a volume of 55.0 ml at a temperature of 40.0 degrees Celsius. The balloon is then heated up at steady pressure to a temperature of 94.0 degrees Celsius. Explain what is the final volume of this balloon in liters
More gas is then added to the container until it reaches a final volume of 13.9 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.
What percent (by moles) of He is present in a helium-oxygen mixture having a density of 0.518g/L at 25 ?C and 721
Explain an isolated chamber with rigid walls is divided into two equal compartments, one containing steam at 10bar and 3700C as well as the other evacuated. A valve between the compartments is opened to allow steam to pass from one chamber to the ..
Calculate the energy required and wavelength required to move an electron from the n=1 to n =1x10-12. Explain why this transition is not feasible
for the first irder reaction 2n2o5 --gt 2n2 o4 o2 at a particular temperature the half - life of n2o5 is 0.90 hr .
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
Draw a three-dimensional structure of CH3CL. Include all non-bonding pairs in your drawing. Shoe the direction of the molecular dipole and indicate bond angles.
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