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Choose the metal that is produced by electrolysis of its molten chloride salt. a) Li b) K c) Al d) Ca e) All of the above
An ideal gas mixture contains 35% helium, 20% methane, and 45% nitrogen (by volume) at 2.00 atm absolute and 90 ?C. Calculate: (a) The partial pressure of each component.
What is the composition of the purge stream. What is the flow rate of gas leaving the separator. What is the flow rate of gas in the recycle line.
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
At what angle would the second order light of the same wavelength be reflected on the same side of the normal to the grating as the incident of light
A sample of cacl2 is dissolved in 250ml. A 5.00ml aliquot of the solution is dissolved to 250ml. Then a 5.00ml of the second solution is dissolved in 500ml. The final solution is analyzed and the chloride concentration is 3.60*10^-5 M. If all the ..
1)WhenH2(g)reacts withC2H4(g)to formC2H6(g),137kJ of energy areevolvedfor each mole ofH2(g)that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
If 50.00mL of propylene glycol has am ass of 51.80g, what is its density in SI units (kg/m^3).
Write a balanced half-reaction for the oxidation of chromium ion (Cr^3+) to dichromate ion (Cr2O7^2) in acidic aqueous solution. Be sure to add physical state symbols where appropriate
Calculate the rpoportion of I2 (iodine) molecules in their ground state, first excited stated
While shutdown, the core accidentally went critical and the reactor pressure vessel rose in temperature and was hot for two hours, but all instrumentation has failed and no one is sure what the temperature was.
The heat of solution of ammonium nitrate is 26.2 kJ/mol. If a 5.368 g sample of NH4NO3 is added to 40.0 mL of water in a calorimeter at 23.5°C, what is the minimum temperature reached by the solution.
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