Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Calculate the heat
CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics
Problem
Calculate the heat, in kJ, released when
0.250
mol
0.250\,\text{mol}
0.250
mol
of
C
H
4
(
g
)
CH_4(g)
C
H
4
(
g
)
undergoes complete combustion according to
C
H
4
(
g
)
+
2
O
2
(
g
)
→
C
O
2
(
g
)
+
2
H
2
O
(
l
)
CH_4(g) + 2\,O_2(g) \rightarrow CO_2(g) + 2\,H_2O(l)
C
H
4
(
g
)
+
2
O
2
(
g
)
→
C
O
2
(
g
)
+
2
H
2
O
(
l
)
Given
Δ
H
rxn
=
−
890
kJ mol
−
1
\Delta H_{\text{rxn}} = -890\,\text{kJ mol}^{-1}
Δ
H
rxn
=
−
890
kJ mol
−
1
for the combustion of
C
H
4
CH_4
C
H
4
.
Related theory
Thermodynamics
Types of enthalpy
Enthalpy Changes of Reactions
Browse the problem library