here's some problems i had:
1.how do we write overall equations,e.g for habers process?
2. rust prevention-the mechanisms
3.why is a crucible in which magnesium oxide is being made covered with a lid?
4.colour of flame when there is incomplete combustion?
5.what reacts at room temp. with ethanol and ethanoic acid?
A. CaCO3 B.CuO C.CH3OH D.Na
6.what are synthetic macromolecules?
please help!!!
1.N
2(g) + 3H
2(g) 2NH
3(g).
2.painting,galvanising,sacrificial protection, coating with plastic,using oil or grease
3.stops smoke from escaping
4.as twilight rightly said
5. with ethanol- D
with ethanoic acid-A,B,C and D
6.synthetic polymers- nylon,terylene and the like