Cll energychanges Date 7 0325
entitle a
dosemindings e.g oxidation COMBUSTION
EXOTHERMIC energytransferred
ENDOTHERMIC energytakenfromthesummdings c
g
THERMALDECOMPOSITION
A
CHEMICAL CELLS BATTERIES
1 2in atomsioniseandmore
intothesolution
3 2 electronslostforthistohype
5
1 3 elutionslistmoreourinuitto
activation
energy copperlightingupLEDinthe
energychange process
4 4 onceatcopperelectrodethe
EXOTHERMIC reactantsheremore
energythan
elutanswillhepickedupbyions
productsbecauseenergyislosttosemoundings inthesolution
duringthereaction 5 thegreaterthedifferencein
ofthetwo
reactivity the
electrodes
ENDOTHERMIC productsNonmoreenergythan greaterthepotentialdifference
reactantsbecauseenergyis gainedfromlemmings produced
duringthereaction BATTERY
a haltingisgamedbytwoormore these
BONDS of
cellsconnected inseries
MAKE exothermicbecauseitreleasesenergy rechargeableTalline'suseexternalcement toundo
it
BREAK endothermicbecause reprisesenergy chemicalreactions
VERAL TRANSFER
arechargeableHelleniscannotrechargeLecum
ENEARGY
ENEMY s
of hfEwEffortsptsYhE thereactionisnotreversible
It icience
HYDROGENFUELCELLS
usefuelandoxygenfromthe airtocreatea voltage Pid
reaction equation appantages
2M g orcs 2mn01s eveningrecharged
fsumemmntt.hr
thehydrogenisexideleddoposturebalin
alkalinefeedcellequation DISADVANTAGES
2H g Lori aq 4H20 he_ hydrogenisflammakeandhead stare to
hydrogen isoften
produced bynon renewablesaves
02 g 2H20 1 he Lori lag
entitle a
dosemindings e.g oxidation COMBUSTION
EXOTHERMIC energytransferred
ENDOTHERMIC energytakenfromthesummdings c
g
THERMALDECOMPOSITION
A
CHEMICAL CELLS BATTERIES
1 2in atomsioniseandmore
intothesolution
3 2 electronslostforthistohype
5
1 3 elutionslistmoreourinuitto
activation
energy copperlightingupLEDinthe
energychange process
4 4 onceatcopperelectrodethe
EXOTHERMIC reactantsheremore
energythan
elutanswillhepickedupbyions
productsbecauseenergyislosttosemoundings inthesolution
duringthereaction 5 thegreaterthedifferencein
ofthetwo
reactivity the
electrodes
ENDOTHERMIC productsNonmoreenergythan greaterthepotentialdifference
reactantsbecauseenergyis gainedfromlemmings produced
duringthereaction BATTERY
a haltingisgamedbytwoormore these
BONDS of
cellsconnected inseries
MAKE exothermicbecauseitreleasesenergy rechargeableTalline'suseexternalcement toundo
it
BREAK endothermicbecause reprisesenergy chemicalreactions
VERAL TRANSFER
arechargeableHelleniscannotrechargeLecum
ENEARGY
ENEMY s
of hfEwEffortsptsYhE thereactionisnotreversible
It icience
HYDROGENFUELCELLS
usefuelandoxygenfromthe airtocreatea voltage Pid
reaction equation appantages
2M g orcs 2mn01s eveningrecharged
fsumemmntt.hr
thehydrogenisexideleddoposturebalin
alkalinefeedcellequation DISADVANTAGES
2H g Lori aq 4H20 he_ hydrogenisflammakeandhead stare to
hydrogen isoften
produced bynon renewablesaves
02 g 2H20 1 he Lori lag
