Chemistry in Society - Chemical Energy Flashcards
1
Q
What is the enthalpy of combustion?
A
The enthalpy change when one mole of a substance is burned completely in oxygen.
2
Q
Explain the components of Eₕ = cm ΔT.
A
c = the heat capacity of water (4.18). m = the mass of water. ΔT = the change in temperature of water.
3
Q
Does breaking bonds require or release energy?
A
Breaking bonds requires energy.