# science ch 4

 .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } ability to do work and change matter energy SI unit for energy joule (J) Light = Radiant energy energy from motion or forces that affect a whole object Mechanical energy equation that states the relationship between matter E = mc² energy of a entire object moving kinetic energy (whole-body kinetic energy) four factors that affect rotational kinetic energy size of an objectan objects shape speedmass energy associated with the position of a object and the forces upon the object potential energy Four fundamental forces Gravitational force weak Nuclear forceelectromagnetic forcestrong nuclear force an attractive force between all material objects gravitational force affects certain subatomic particles weak nuclear force electricity and magnetism are two different manifestations of the electromagnetic force strongest fundamental force acts only within the nuclei of atoms strong nuclear force internal energy of an object due to the random motions of its individual molecules thermal energy 3 factors effecting thermal energy temperaturestate mass transfer o thermal energy from an object of higher temperature to an object of lower temperature heat amount of heat needed to change its temperature by a certain amount hat capacity what does Δ mean delta device designed to measure the heat involved in physical and chemical changes calorimeter three ways heat is transferred conductionconvection radiation device that automatically regulates temperature thermostat transfer of heat between objects in direct contact conduction name for the amount of disorder in a system entropy what is the amount of heat required to change a given amount of liquid already at its boiling point into a gas without a change in temperature heat of vaporization formula for melting point (J/g)g liquids that evaporate quickly volatile nonvolatile solutes raise the boiling temperature boiling point elevation the pressure that must be exerted by the vapor the vapor an liquid to be in equilibrium at a given temperature vapor pressure energy gained or lost by a systems equal to the energy lost or gained by its surroundings First law of Thermodynamics when the liquid state is skipped and the substance changes directly into gas sublimation state of matter in which atoms break down into charged particles plasma .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } AuthorRayna ID323382 Card Setscience ch 4 DescriptionA Beka Updated2016-10-06T23:40:50Z Show Answers