Asked by Cameron
When relatively small amounts of magnesium burn, the fires are extinguished using commercially available dry powder.
a)Why might this fire rekindle days later as someone tries to remove the residue with water?
b)What chemical process is involved here?
a)Why might this fire rekindle days later as someone tries to remove the residue with water?
b)What chemical process is involved here?
Answers
Answered by
DrBob222
Water reacts with Mg to produce H2 gas. This is an exothermic reaction PLUS H2 gas is explosive
b.
Mg + H2O ==> H2 + MgO
b.
Mg + H2O ==> H2 + MgO
There are no AI answers yet. The ability to request AI answers is coming soon!