Explanation:
Molar mass of Cu = 63.5g/mol
Moles of Cu
= 5.8g / (63.5g/mol) = 0.091mol (B)
Answer:
5.physical change
6.chemical change
7.physical change
8.conservation of mass
9.thermal energy
10.physical change
I honeslty dont know if this is right
explanation:
Each carbon atom is only bonded to 3 other carbons leaving one free delocalised electron to carry charge. Diamond however has carbons which are bonded to four other carbons therefore has no free electrons to move and carry charge hence not conducting electricity.