5 Written Questions
5 Matching Questions
- Evaporative Cooling
- Heat of Vaporization
- Hydration Shell
- a The phenomena caused by hydrogen bonding wherein molecules of the same type are held together
- b The quantity of heat that 1g of a liquid must absorb in order to be converted from to a gaseous state.
- c Water-loving
- d A sphere of water molecules surrounding individual ions of a salt crystal or charged atoms of a polar molecule in order to dissolve it.
- e The cooling of the surface of a liquid during evaporation due to the primary vaporization of molecules with higher levels of kinetic energy (heat).
5 Multiple Choice Questions
- The amount of heat required to raise the temperature of 1kg of water by 1ºC (1000 cal)
- A measurement of the intensity of heat- the average kinetic energy- of a group of molecules
- A liquid that is a completely homogenous mixture of two or more substances
- The solid form of water; floats on liquid water due to the expansion and crystallization of its component molecules.
- The clinging of a substance to another; caused by hydrogen bonding
5 True/False Questions
Polar Molecule → A molecule whose opposite ends posses opposite charges
Hydrogen Ion → An individual proton (H+)
Mol → The solid form of water; floats on liquid water due to the expansion and crystallization of its component molecules.
Solute → A liquid that is a completely homogenous mixture of two or more substances
Molecular Mass → The number of moles of solute per liter of solution