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At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
In a reaction 8200 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. Calculate the mass of sodium iron produced.
A solution is prepared by mixing 52.0 g glucose (C6H12O6) with 510.0 g water. What is the vapor pressure of this solution at 25°C
calculate the ph of the solution that is 0.20M hydrofluoric acid and 0.040 M Lithium fluoride. the Ka for hydrofluoric acid is 3.5*10^-4.
Write the rate expression for the reaction C) Calculate k for the reaction D) When [S2O8 2-] = 0.105 M and [I-] = 0.0875 M, what is the rate of the reaction at the temperature of the experiment?
The first ionization energy of bismuth is Ei1 = +703 kJ / mol. What is the longest possible wavelength of light that could ionize an atom of bismuth?
An unknown compound contains carbon, hydrogen, oxygen, and sulfur atoms. When a 10.00 mg sample of the unknown compound was combusted, it produced 16.27 mg of CO2, 5.55 mg of water, and 7.90 mg of SO2.
The smallest atoms can themselves exhibit quantum mechanical behavior. Calculate the de Broglie wavelength (in pm) of a hydrogen atom traveling 475 m/s
what mass of magnesium will react wait a 500.0mL container of oxygen at 150.0 degrees Celsius at 70.0 kPa?
Explain a resting nerve cell membrane, sodium-potassium pump, action potential and what wil happen if sodium channels were blocked
How many grams of propanol (C3H7OH, 60.10 g/mol) would be needed to make 750 mL of a solution with an osmotic pressure of 25 atm at 25°C? (R = 0.0821 L/atm/K/mol)
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products.
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