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A solution of ethanol (C2H6O) in water is sometimes used as s disinfectant. 1.00 L of this solution contains 553 g or ethanol and 335 g of water. What is the mole fraction of ethanol in this solution?
Compute the atomic weight for this naturally occurring element A and A Naturally occurring element A exists in three forms of its isotopes
Write the expression for the equilibrium constant, Kb, for methylamine also compute the molar concentration of OH- in the 50.0 mL sample of the CH 3 NH 2 solution.
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
A 47 kg sample of water absorbs 348 kJ of heat. If the water was initially at 28.7 C what is its final temperature.
Calculate total and individual w, q, ΔU, ΔH, and ΔS of an Otto engine operating on stoichiometric ethanol - oxygen gas mixture, with cylinder volume of 1 l and compression ratio of 18:1.
A cylinder with a moveable piston contains 0.84 mol of gas and has a volume of 328 mL. What will its volume be if an additional 0.27 mol of gas is added to the cylinder? (Assume constant temperature and pressure.)
What weight of sulfuric acid will be needed to react completely 35.5g of ammonia in the production of ammonium sulfate.
What is the molarity of a NaOH solution if 28.2 mL of a 0.112 M H2SO4 solution is required to neutralize a 25.0-mL sample of the NaOH solution?
Considering the given equation Fe2O3 (s) + 3 CO (g) ? 2 Fe (s) + 3 CO2 (g) this is The overall reaction for the production of iron from iron ore (Iron (III) oxide) determine How many kilograms of iron are required to form 10,000 kilograms of Fe?
0.60 g of hydrogen chloride HCl is dissolved in water to make 7.5 L of solution. What is the pH of the resulting hydrochloric acid solution.
Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .
The volume of a 24.0-g sample of methane gas is 22.8 L at 40.0°C and 4.00 atm. What will its volume be at 68.0°C and 4.00 atm.
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