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What is the enthalpy for reaction 1 reversed? Reversed equation: CO2-->CO+(1/2)O2 Express answers in kJ per mole.
Consider the cell described below. Al | Al3+ (1.00 M) || Pb2+ (1.00 M) | Pb Calculate the cell potential after the reaction has operated long enough for the [Al3+] to have changed by 0.32 mol/L. (Assume T = 25°C.)
A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm?1 above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms
what is the pH of the solution after the addition of 3.0 ml of HCl? e) What is the pH of the solution at the equivalence point? f) what is the pH of the solution when 5.0ml more of the HCl solution is added after the equivalence point has ben reac..
Write a balanced chemical equation for this reaction when Ferrophosphorus reacts with pyrite making iron (ll) sulfide and a compound that is
What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.20 M NH4Cl buffer to the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of the buffer
A solution contains 0.010 M silver ion and 0.0010 M lead(II). Sodium sulfate is dissolved to give a nominal concentration of 0.0010 M sulfate. Does a precipitate form?
What is the chlorine flow rate at the reactor pressure and temperature. (b) If the etching rate of silicon is 0.50 ?/min, and the wafer is 300 mm in diameter, how many moles of silicon are etched per hour
The specific heat of liquid water is 4.184 J/g. degree C. Calculate the energy required to heat 10.0 g of water from 26.5 degree C to 83.7 degree C.
The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 78.0 m/s, what is its corresponding wavelength?
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
What would happen if the buret washed and rinsed properly but not conditioned with sodium hydroxide solution, prior to standardizing the sodium hydroxide solution?
If 12800 calories is required to change 45g of substance X from a liquid to a gas, what is the heat of vaporization of substance X?
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