The Arrhenius equation Flashcards
1
Q
What is the Arrhenius equation in exponential form?
A
k = Ae⁻ᴱᵃ/ᴿᵀ
2
Q
What is K in the equation?
A
Rate contstant
3
Q
What is Ea in the equation?
A
Activation energy
4
Q
What is T in the equation?
A
Temperature in kelvin
5
Q
What is R in the equation?
A
Gas constant (8.31 JK-1 Mol-1)
6
Q
What happens to K as the Ea gets bigger?
A
Gets smaller
7
Q
What happens to K as the temperature increases?
A
Gets bigger
8
Q
What happens to K as the temperature decreases?
A
Gets smaller
9
Q
How do you write the equation in the logarithmic form?
A
LnK = - Ea/RT + LnA
10
Q
How do you rearrange the logarithmic form to get Ea?
A
Ea = (lnA-lnK) x RT
11
Q
How do you rearrange the logarithmic form to get T?
A
T=Ea/(lnA-lnK) x R
