The magazine says it tested 10 insect repellents in an outside laboratory, where volunteers let deer ticks crawl on them and also exposed themselves to mosquitoes. Six of these repellents earned a recommended rating from Consumer Reports. These six repellents, along with their active ingredients and cost, are:
Evaporation vs. Boiling Boiling occurs when the temperature of the liquid is greater than the boiling point of the substance. Evaporation can occur at any temperature.
In this investigation, you have seen that evaporation is a cooling process. Condensation is the opposite of evaporationâwater in the vapor phase condenses to form liquid water. Using the language of energy and intermolecular attraction, explain why condensation is considered a warming process.