The hydronium ion forms when hydrogen ions a. dissociate b. ionize. c. combine w
ID: 520776 • Letter: T
Question
The hydronium ion forms when hydrogen ions a. dissociate b. ionize. c. combine with HCl d. combine with H_2O. Colligative properties depend on the a. number of solute particles present. b. size of solute particles present. c. mass of solute particles present. d. change on solute particles. In which colligative property (ies) does the value decrease as more solute is added? a. boiling point b. freezing point c. vapor pressure d. freezing point and vapor pressure What is a unit of pressure? a. mm Hg b. kPa c. atm c. torr d. all of the above Boyle's law states that _____. a. the volume of a gas varies inversely with pressure b. the volume of a gas varies directly with pressure c. the temperature of a gas varies inversely with pressure d. the temperature of a gas varies directly with pressure _____ Charles's law states that _____ a. the pressure of a gas is inversely proportional to its temperature in kelvins b. the volume of a gas is directly proportional to its temperature in kelvins c. the pressure of a gas is directly proportional to its temperature in kelvins d. the volume of a gas is inversely proportional to its temperature in kelvins (Colligative properties, boiling point elevation, freezing point depression, phase changes). A is used to monitor temperature in each of these experiments. What will the boiling point do dissolved in the water? a. Increase b. decrease c. stay the sameExplanation / Answer
Q.No -8 (d)
H+ + H2O -----> H3O+
Q.No -9 (a)
Colligative properties are properties of solutions that depend on the number of particles in a given volume of solvent and not on the mass of the particles.
Q.No-10 (c)
If you add a nonvolatile solute to solvent such as water, you decrease the tendency for water molecules to evaporate into the gas phase. In essence, the solute particles obstruct or reduce the likelihood of evaporation.
Q.No-11 (e)
Q.No-12 (a)
Boyle's law states that at constant temperature for a fixed mass, the absolute pressure and the volume of a gas are inversely proportional.
Q.No-13 (b)
When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be directly related.
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