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A farmer applies 1250.0 kg of a fertilizer that contains 10.0% nitrogen to his fields each year. fifteen (15.0%) percent of the fertilizer washes into that river through the farm. if the river flows at an average rate of 0.240 cubic feet per second, define what is the additional concentration of nitrogen nine expressed in milligrams of nitrogen per liter in the river water due to the farmer's fertilizer?
Both hemoglobin and myoglobin contain a prosthetic group called heme, which contains a central iron atom. Molecular oxygen binds irreversibly to the Fe(II) atom in heme.
What is the DO concentration at saturation in water if the temperature is 10 degrees celcius and pressure is 1 atm/express your answer in mg/l of O2.(oxygen)
The reaction between sulfur dioxide and oxygen is exothermic. 2 SO2 (g) + O2 (g) 2 SO3 (g) Which of the following factors will cause the equilibrium to be shifted to the right
Name three compound types of organic compounds (families) that have the -C=O functional group but not the hydroxyl group.
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
For a given sample of CH_3OH, the enthalpy change during the reaction is 82.1 kJ. How many grams of methane gas are produced
Acetylene burns in air according to the following equation. C2H2(g) + 5/2 O2(g) 2 CO2(g) + H2O(g) H0rxn = -1255.8 kJ Given that H0f of CO2(g) = -393.5 kJ/mol and H0f of H2O(g) = -241.8 kJ/mol, what is H0f of C2H2(g)
A weather balloon has a volume of 750 L when filled with helium at 8 degrees C at a pressure of 380 torr. What is the new volume of the balloon where the pressure is 0.20 atm nd the temperature is -45 degrees C
Compute theoretical quantities of thionyl chloride and sodium borohydride needed to convert benzoin to E-stilbene
A compound having a specific rotation of [?] = +40.3° has been isolated and purified. This information indicates that the natural compound: a. is racemic. b. does not rotate plane-polarized light. c. is levorotatory. d. is dextrorotatory
compute the theoretical yield of the product in moles for each initial amount of reactants.ti2cl2ticl4given 4mol ti
In less than a 150 words, explain why swirling or shaking a solution and its drying agent hastens the drying process.
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