Thermodynamics and spontaneous change Flashcards
an determine heat of reaction using :
> information from //// ////
> heats of /////// values .
> using ///// /////// energies
realted reactions
formation
bond dissociation
hess law… when a reaction /// in several staes, the /// enthalpy change must equal the ///// of the enthaply change in the individual /////
occurs, overall, sum, stages.
check if //// reactants and //// are on the /// side of the //// and check if number of moles are correct.
target, products, right, equation
the bond //// enthalpy is the enthalp change per /// when a //// chemical //// is boken under standrad //// in the gaseous ////
disocitaion, mole, particular, bond, conditions, phase
breaking bonds is always //////
endothermic
when the //// pressure is greater than the /// pressure, then the surrounding will do work on the ///
and vice versa
external, internal, system
work done in terms of external pressure and volume change
-p x change in v
internal energy
potential energy + kinetic energy
external KE is due to ///// motion of an /////
overall, object
internal KE is due to ////// //// of particles /////an object
random, motion, within
Thermochemistry ////// the heat flow into or out of a /////.
deduces the energy stored in ////// /////.
investigates, reaction, chemical bonds
A /////// ////////// measures heat change at constant volume
Precise measurements: Take into ///// ///// ///// of entire calorimeter
constructed so that no ///// if lost to ///////
bomb, calorimeter
account heat capacity
heat, surroundings