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Which of the following is false? A. Solubility of a solid in a liquid increases as the temperature increases. B. Solubility of a liquid in a liquid increases as the temperature increases. C. Solubility of a gas in a liquid increases as the temperature increases. D. The solubility of a gas in a liquid increases as the pressure increases.
What volume (in mL) of water must be added to a 1.96 M solution of potassium hydroxide to make a 50.8 mL of a 0.625 M solution? Assume the volumes are additive.
Determine the pressure in a 14.6 L cylinder filled with 0.440mol of N2 gas at a temperature of 327K.
If a 220 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3x1.0 ft, what is the average thickness of the sheet in meters?
To verify Boyle's Law using the relationship between gas volume and gas pressure when the amount of gas remains constant at certain temperature.
Calculate the amount of solution that contains 8.0g calcium cloride (CaCl2) from 35% solution of CaCl2?
Calculate the pH of a solution prepared by mixing 20.0 mL of 0.01 M HCl with 100.0 mL of 0.10 M HCN. For HCN, Ka = 1.0 x 10- 10. Assume that the volumes are additive.
Determine the energy of an electron in the given quantum level of each of the following ions. (Hint: Each of the ions has a different number of protons
What is the solute and solvent of Antifreeze? What is the solute and solvent of Pepsi? What is the solute and solvent of Sterling Silver?
Classify each of the following solutions as acidic, basic, or neutral. Explain how you reached this conclusion.
Calculate the difference between the molar enthalpy and the molar internal energy of carbon dioxide regarded as an ideal gas at 298.15K and 754 mmHg
A 1-rm L flask is filled with 1.45 g of argon at 25 {rm ^circ C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm. what is the partial pressure of argon in the flask?
A 4.000-g sample of the metal nitrate M(NO3)2 was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Determine the identity of the metal.
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