Formulae Flashcards
1
Q
Calculating molar enthalpy change
A
- heat released / no. of moles
- q / n
2
Q
Energy change
A
Bonds broken - bonds made
3
Q
Relative atomic mass
A
Sum of (isotope mass x isotope abundance) / 100
4
Q
Volume of gas
A
No. of moles x 24
5
Q
Equation relating charge, current and time
A
Charge = current x time
6
Q
Equation relating charge, moles of electrons and FC
A
Charge = moles of electrons x FC (96500)
7
Q
Calculating heat energy
A
4.2 x mass of solution x change in temperature
