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19 Nov 2019
If the partial pressures of helium neon and argon gases are 0.347 atm, 0236 atm, and 0.409 atm, respectively, the total pressure of the mixture of gases is ____. a. 0.992 atm b. 0.330 atm c. 0.408 atm d. 1.36 atm g e. 1.20 atm If the partial pressures of helium neon and argon gases are 264 mmHg, 179 mmHg and 311 mmHg, respectively, the pressure of the mixture of gases is ___. a. 251 mmHg b. 754 mmHg c. 310 mmHg d. 1063 mmHg e. 912 mmHg. The relationship between pressure and volume of a gas at constant temperature is that the volume of a gas is inversely proportional to the pressure. Which of the following illustrates that relationship? a. (P/T) = a constant b. (P/V) = a constant c. (V/P) = a constant d. P times V = a constant e. P + V = a constant At the same temperature and pressure, molecules of which of the following gases have the highest average speed? a. Br_2 (g) b. Cl_2(g) c. H_2 (g) d. F_2 (g) e. I_2 (g) In order for a water solution to conduct electricity, it must contain significant amounts of ____.a. electrons b. ions c, molecules d. protons e. atoms Which of the following types of substances are usually insoluble? a. ammonium b, sulfates c. hydroxides d, common acids e group 1A metals Which of the following compounds is insoluble in water? a. Fe(OH)_2 b. Ca(NO_3)_2 c. NaCl d. MgCl_2 25. E. (NH_4)_2 SO_4 Which of the following types of substances are usually soluble? a. chlorides b. nitrates c. group 1A metals d. ammonium e. all of these What is the molar concentration of a solution made by dissolving 8 0 moles of HF in 4.0 liters of solution? a. 2.0 M b, 4.0 M c. 8.0 M d. 0.5 M e. 10 M How many moles of solute would be required to prepare 6.0 liters of a 2.0 M solution? a. 6.0 mol b. 2.0 mol c. 3.0 mol d, 113 mol e. 12 mol
If the partial pressures of helium neon and argon gases are 0.347 atm, 0236 atm, and 0.409 atm, respectively, the total pressure of the mixture of gases is ____. a. 0.992 atm b. 0.330 atm c. 0.408 atm d. 1.36 atm g e. 1.20 atm If the partial pressures of helium neon and argon gases are 264 mmHg, 179 mmHg and 311 mmHg, respectively, the pressure of the mixture of gases is ___. a. 251 mmHg b. 754 mmHg c. 310 mmHg d. 1063 mmHg e. 912 mmHg. The relationship between pressure and volume of a gas at constant temperature is that the volume of a gas is inversely proportional to the pressure. Which of the following illustrates that relationship? a. (P/T) = a constant b. (P/V) = a constant c. (V/P) = a constant d. P times V = a constant e. P + V = a constant At the same temperature and pressure, molecules of which of the following gases have the highest average speed? a. Br_2 (g) b. Cl_2(g) c. H_2 (g) d. F_2 (g) e. I_2 (g) In order for a water solution to conduct electricity, it must contain significant amounts of ____.a. electrons b. ions c, molecules d. protons e. atoms Which of the following types of substances are usually insoluble? a. ammonium b, sulfates c. hydroxides d, common acids e group 1A metals Which of the following compounds is insoluble in water? a. Fe(OH)_2 b. Ca(NO_3)_2 c. NaCl d. MgCl_2 25. E. (NH_4)_2 SO_4 Which of the following types of substances are usually soluble? a. chlorides b. nitrates c. group 1A metals d. ammonium e. all of these What is the molar concentration of a solution made by dissolving 8 0 moles of HF in 4.0 liters of solution? a. 2.0 M b, 4.0 M c. 8.0 M d. 0.5 M e. 10 M How many moles of solute would be required to prepare 6.0 liters of a 2.0 M solution? a. 6.0 mol b. 2.0 mol c. 3.0 mol d, 113 mol e. 12 mol
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Reid WolffLv2
19 Nov 2019