Burninginhell Flashcards

1
Q

Co je termichemia

A

Odbor chémie zaoberajúci sa tepelnými zmenami počas chemickej reakcie

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2
Q

Čo je endotermická reakcia 
Energia P a R
Priklad

A

Reakcia pri ktorej sa teplo spotrebúva
E Produkty > E reaktantov
CaCO3->CaO+CO2

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3
Q

Čo je Exotermická reakcia

A

Je reakcia pri ktorom sa teplo uvoľňuje

E produktov< E reaktantov

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4
Q

Co je reakcne teplo
Znacenie
Co ho urcuje

A

Teplo ktore sa uvolni/spotrebuje pocas chem r
Q
Urcuje ho rozdiel entalpie profuktov r a entalpie reaktantov

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5
Q

Co je entalpia

Znacenie rozdielu entalpii

A

Tepelny obsah

Delta H= entalpia P-entalpia R

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6
Q

Ked je entalpia Pentalpia R

A

Exotermicka

Endotermiacka

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7
Q

Cim vacsie latk mnozstvo reaktantov tym

A

Je mnozstvo tepla viac

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8
Q

Co je reakcne teplo

A

Zmena entalpie deltaH

Mnozstvo ktore sa spotrebuje/uvolni ak zreaguje take lat mnozstvo ake udavaju stechiometricke koef v chem r

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9
Q

1 chem zakon

Kto

A

Laplace+Lavosier

Hodnota reakcbeho tepla priamej a spatnej reakcie je az na znamienko rovnaka

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10
Q

2 chem zakon

A
Hess
Reakcne teplo istej reakcie sa rovna suctu reakcnych tepiel jej ciastkovych reakcii
Zn+S—>ZnS DeltaH=-206
ZnS+2O2–>ZnSO4 DeltaH=-5
Zn+S+2O2–>ZnSO4 H=-211
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