What iron gives in its abundance, it takes away in it's inability to really conduct heat and electricity well. There is enough copper around, if we are careful in its use, to make copper bottomed pots and pans. Of the three best conductors in the world (silver, gold and copper) only copper has enough around and can be inexpensively mined that we make use of it.
If you google dr. copper, you will find he is an economist as well. Copper measures the wealth of an economy by how much is used. So iron might be cheaper and more abundant, but copper will save you much more in trying to do something with it.
Answer: The sample of ammonium carbonate contains
0.560 mol NH
4
Explanation:The chemical formula for ammonium carbonate is
(
NH
4
)
2
CO
3
. The formula indicates that in one mole of ammonium carbonate, there are two moles of ammonium ions,
NH
4
Answer:
A. An atomic nucleus is positively charged because it is composed of neutrons.
Explanation:
Water always boils at 212 degrees F, or 100 degrees C. Because the boiling point is not dependent on the size of the sample of water, it would be an intensive property.
