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Question- If a water electrolysis cell operates at a current of 8.0A , how long will it take to generate 26.0L of hydrogen gas at a pressure of 27.0atm and a temperature of 23?C?
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determine the concentration of O3 in air sample (in ppm)If 10,000 Litres of air bubbled through iodide solution and back titrated with 19.4 mL of a 1.2x10-4 M Sodium thiosulfate, also spelled sodium thiosulphate solution to reach equivalence,?
By differentiation of the 2s radial wavefunction, show that it has two extrema in its amplitude and locate them.
Iodine tricholoride, ICI3, will react with a chloride ion to form ICI4-. Which species, if any, acts as a Lewis acid this reaction
Many fish which normally line in mountain streams (where the water temperature is 0 degrees celcius) die when water in which they live warms up to 25 degrees C. How many oxygen molecules are there in 1.0 ml of water at these two temperatures?
Calculate the molality of each of the following solutions. (a) 15.2 g of sucrose (C12H22O11) in 661 g of water (b) 7.09 moles of ethylene glycol (C2H6O2) in 3734 g of water
a sealed balloon is filled with 1.40 l of helium at 23degc and 1.00 atm. the balloon rises to a point in the atmosphere
consider the equation aaq 2baq 3caq 2daq. in one experiment 45.0 ml of 0.050 m a is mixed with 25.0 ml 0.100 m b. at
draw reaction mechanisms for the e1 and the two e2 reactions. predict the major products for these reactions based on
find the mass of C3H8 required to generate 2.5x10^8 KJ of energy when combusted with O2 gas to produce CO2 gas and water vapor.
Calculate the amount of acid that would be left in the water solution after four 20-mL extractions with ether. Do the same calculation, using one 80-mL extraction with ether, to determine which method is more efficient.
The substituent CH3 is connected to the 'CH' group (i.e. 2nd carbon from the left) instead of the methyl group on the left end
Calculate the osmotic pressure of a solution containing 20.00mg of hemoglobin in 16.3mL of solution at 25 ? C The molar mass of hemoglobin
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