Chapter 2.5 Enthalpy Flashcards
1
Q
An exothermic reaction is one in which heat energy is
A
given out
2
Q
An endothermic reaction is one in which heat energy is
A
taken in.
3
Q
In an endothermic reaction the products have more energy than the reactants because
A
the energy has been absorbed
4
Q
Combustion is an
A
exothermic reaction
5
Q
Energy released during combustion can be calculated using
A
Eh = cmΔT
6
Q
In the Eh = cmΔT equation, c is always
A
4.18 kj
7
Q
In the Eh = cmΔT equation, m is
A
The mass of the water in kg (100cm3 = 0.1kg)
8
Q
In the Eh = cmΔT equation, t is
A
the change in temperature
