equations

Question 1

Write the equation for the reaction between aluminium and fluorine.

Answer 1

2Al + 3F2  2AlF3

Question 2

Write the equation for the third ionisation energy of aluminium.
Include state symbols.

Answer 2

Al2+(g)  Al3+(g) + e– 

Question 3

Write an equation for the reaction of aluminium oxide, Al2O3,with sulfuric acid.Include state symbols.

Answer 3

Al2O3(s) + 3H2SO4(aq)  Al2(SO4)3(aq) + 3H2O(l)
Correct species AND correctly balanced 
state symbols on correct species 

Question 4

Phosphine gas burns in air to form an oxide of phosphorus, P4O10, and water.
Write the equation for this reaction.

Answer 4

4PH3 + 8O2  P4O10 + 6H2O 