key equations Energetics, Enthalpy and Entropy

Question 1

q=

Answer 1

=mcΔT
q- energy change ( J)
m- mass (g)
C- specific heat capacity (J g-1 K-1)
Δ T- change in temperature (k)

Question 2

=sum of (bond enthalpies of products) - sum of(bond enthalpies of reactants)

Answer 2

=Δ H
Δ Н - enthalpy change (kJ mol^-1)

Question 3

Finish this

Answer 3

Finish this

Question 4

(q/1000)/n=

Answer 4

=Δ H
Δ Н - enthalpy change (kJ mol^-1)
q - energy change /1000 (kj)
n = number of moles of the limiting reactant (mol)