Answer:
A cuz a heterogeneous mixture is no uniform
Answer:
allows the atoms of different elements to bond together to form new substances
When gases get cooler the molecules slow down or lose energy and condense so the volume in the tire or soccer ball would decrease and may feel flatter
1 mol Cu - 2 mol Ag
x - 0.854 mol Ag
x=0.854*1/2=0.427
0.427 mol Cu