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Many metal ions are precipitated from solution by the sulfide ion. As an example, consider treating a solution of copper(II) sulfate with sodium sulfide solution: CuSO4(aq) +Na2S(aq)image from custom entry tool CuS(s)+Na2SO4(aq) What volume of .105 M Na2S solution would be requiredto precipitate all the copper(II)ion from 27.5mL of.121M CuSO4 solution?
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
adiabatic expansion back to its initial temperature, (c) reversible isothermal compression back to 1.00 atm. Calculate q, w, delta U, and delta H for each step.
calculate the number of microstates, W, that have this energy. Make sketches of these microstates. Calculate the corresponding entropy for each state.
If the copper is drawn into wire whose diameter is 7.50 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94
please convert thema 456 cal to joulesb 22.3 j to caloriesc 234 kj to caloriesd 12.4 cal to joules-calculate the amount
how many liters of the HCN solution must be added to the NaCN to prepare the buffer. Now add 1.60grams of NaOH (solid) to the buffer. What will be the new pH.
A BOD test is to be run on a sample of wastewater that has a five-day BOD of 230 mg/L. If the initial DO of a mix of distilled water and wastewater is 8.0 mg/L
a an aqueous methanol ch3oh solution has a mole fraction of 0.525 of methanol. what mass of water would be present in
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen: 0.20atm of oxygen at one point and 0.0010atm of oxygen at the other
A 515 g piece of copper tubing is heated to 95.0°C and placed in an insulated vessel containing 57.0 g of water at 30.0°C.
If all the energy obtained from burning 1.16 pounds of propane is used to heat water, how many kilograms of water can be heated from 24.8 degrees celsius to 43.6 degrees celsius
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