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The solubility of O2 (g), in water at 25°C is 3.16 mL/100 g H2O when the gas pressure is maintained at 1 atm. What pressure of O2 (g) would be required to produce a saturated solution containing 10.9 mL/100 g H2O?
0.497ml sample of HClO4 has a pH of 0.2251. If 647ml of distilled water was added to the HClO4 solution, what would be the new pH of solution be
For the gas-phase reaction shown below, choose the answer which indicates how the rate of change of H2O is related to the rate of change of C3H6.
Trichlorofluoromethane (CCl3F) boils at 23.8C, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of evaporation of CCl3F(l).
What mass of AgBr would precipitate from this mixture? (Ksp of AgBr is 5.4x10^-13 & Kf of Ag(CN)2^1- is 1.0x10^21)
assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts heat capacity(s) 37.7 jmolk
Decribe how to prepare 2.0 liters of a .20 M NaOH solution from 50%. (w/w) Naoh solution that has a density of 1.53 g/mL, and doing all measurements by volume, not mass.
what is the volume change when 2 kg of water at 6.8 MPa and 93 Celsius expands to 1.6 bar
How many moles of hydronium ion are neutralized by one teaspoonful of Extra strength Maalox plus?
which of the following is the correct chemical formula for a formula unit of aliminum
A mixture of three gases has a total pressure at 293K of 1380 mmHg. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar?
Ethanol has a molar mass of 46.08g/mol and a density of 0.789g/mL. It is a clear, colorless liquid that dissolves readily in water. How many milliliters of ethanol would be needed to make 1.20L of a 2.75M solution?
calculate the seperation in Energy between the ground state and the first excited state in which one electron occupies the state with n=7.
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