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Chemistry Calculators
R - Gas Constant
:
8.3144626181532 J/(K⋅mol)
Boyle's Law Calculator
:
P
1
• V
1
= P
2
• V
2
Charles Law Calculator
:
V
1
• T
2
= V
2
• T
1
Combined Gas Law Calculator
:
P•V / T= k
Gay-Lussac Law:
T
1
•P
2
=T
2
•P
1
Ideal Gas Law
:
P•V = n•R•T
Bragg's Law:
n·λ = 2d·sinθ
Hess' Law
:
ΔH
0
rxn
=ΔH
0
a
+ΔH
0
b
+ΔH
0
c
+ΔH
0
d
Internal Energy
:
ΔU = q + ω
Activation Energy
: E
a
= (R*T
1
⋅T
2
)/(T
1
- T
2
) ⋅ ln(k
1
/k
2
)
Arrhenius Equation
: k = Ae
E_a/(RT)
Clausius-Clapeyron Equation
: ln(P
2
/P
1
) = (ΔH
vap
)/R * (1/T
1
- 1/T
2
)
Compressibility Factor
: Z = (p*V
m
)/(R*T)
Peng-Robinson Equation of State
: p = (R*T)/(V
m
- b) - (a*α)/(V
m
2
+ 2*b*V
m
- b
2
)
Reduced Specific Volume
: v
r
= v/(R* T
cr
/ P
c
)
Van't Hoff Equation
: ΔH
0
= R * ( -ln(K
2
/K
1
))/ (1/T
1
- 1/T
2
)
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