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A groundwater sample , at 25 degrees C, has Eh= 1.00 and the pH=6.800. When the system is at equilibrium, calculate the amount ofdissolved oxygen (in ppm) in the ground water sample.
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
Understanding of Chemistry basics - explain a situation that violates the second law of thermodynamics?
The determination of iron in industrial waste stream is often carried out by reacting the water sample with o-phenanthroline to form a red-orange complex that absorbs at 510 nm.
Calculate the final volume of the gas,and express your answer in milliliters and determine the pressure in the flask if the temperature is raised to 25 degree celcius?
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
Design a qualitative analysis scheme
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
What is the total electronic energy
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
Determine the heat of combustion per gram of octane and the heat of combustion per mole of octane?
Determine the second order rate constant from the initial concentration and half life and what is the second order rate constant?
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