AP chem unit 6 review Flashcards
hear is always transfered between the _____ and the surroundings
system
if no work is done the heat ____ is equal to the heat _____
lost, gained
_____ is the energy needed to move something against a force
work
the difference in the energy of the products and energy of the reactants is called the _____ of _____, or heat of reaction
enthalpy, reaction
the units for delta H is
kj/mole
delta H is labeled as the difference between the energies of the _____ and _____
products, reactants
activation energy is the necessary energy to _____ the reaction, used to break bonds of ___’s in the reactants
start, IMF
energy is _____ when new IMF’s form
released
how to find activation energy for the reverse reaction
the peak of the overall energy minus the delta H
heat is always transfered from the ____ substance to the _____ one
hotter, colder
molar heat compacity
the specific heat capacity multiplied by the molar mass of that substance
molar heat compacity is the amount of energy…
needed to raise one mole of a substance by one degree celcius
a _____ measures the amount of heat transfered during a reaction
calorimeter
if two substances have reached thermal equilibrium they have the same…
kinetic energy and and temperature
a greater specific heat requires ____ energy
more