Iii How much energy is released when the following amounts of propane are burnt? (A values: C = 12; H = 1.)
0.2 mol: ...
4 mol:
33 g:

The mass has escaped into a gas which you can not see so the law stays true.

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na

12 is probably the typical age for a first kiss but i think its to young.

Your answer is a just took the test