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A sealed flask contains 0.45g of water at 28 °C. The vapor pressure of water at this temperature is 28.36 mmHg. Explain what is the minimum volume of the flask in order that no liquid water is present in the flask?
determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
excess permanganate remains after the reaction period, a small amount of ethanol
a 0.187-g sample of a co32- antacid is dissolved with 25.0 ml of0.0984m hcl. the hydrocloric acid that is not
The original molarity of a solution of formic acid with a Ka of 1.7x10^-4. Its pH is 4.52 at equilibrium is _____ mol/L
what mass of aspirin can be prepared by reacting 5.00 g if salicylic acid with an excess of acetic anhydride?
A sample of carbon monoxide gas whose mass is 7.75 g is heated from 25 oC to 166 oC at a constant pressure of 5.52 bar.
1. gold can be hammered into extremely thin sheets called gold leaf. if a 208-mg piece of gold density 19.32 gcm3 is
Suppose a house has a floor area of 2250 square foot. What is the area in units of square centimeters
Calculate the pH of this solution. When 0.20 mol of H+ ions is added to the solution what is the pH (assuming volume change is negligible)
What is the minimum flow rate of water (? = 0.990 g/mL) required to scrub out 90.0% of the incoming NH3? What is the mole fraction of NH3 in the scrubbed waste gas stream?
A gas mixture being used to simulate the atmosphere of another planet consists of 324 mg of methane, 217 mg of argon, and 228 mg of nitrogen.
how do you calcalculate a cube of an unknown metal measures 1.61mm on one side. the mass of the cube is 36mg. which of
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