Mendeleev organized his periodic table in order of increasing atomic number in 1869.
Heat is energy, and that energy would eventually cause the object to undergo a phase change.
Answer:
During chemical reactions, matter is neither
created nor destroyed; it just changes form.
Explanation:
Answer:
5 moles of Fe
Explanation:
The equation of the reaction is;
2 Al(s) + Fe 2O 3(s) --> 2Fe (s) + Al 2O 3 (s)
Now;
1 mole of Fe2O3 require 2 moles of Al
3 moles of Fe2O3 requires 3 × 2/1 = 6 moles of Al
Hence Al is the limiting reactant.
If 2 moles of Al yields 2 moles of Fe
5 moles of Al yields 5 × 2/2 = 5 moles of Fe
= 0.001 
. Therefore 200 
. Hope this helps.