False
Explanation:
This is false because there is no solution and salt bridge to facilitate the movement of electrons from the two metals.
This connection is not an electrochemical cell because other components are absent. To fully form the electochemical cell which allows a potential difference to be set up;
- Presence of electrodes
- Presence of a solution
- Wire
- Salt bridge
Just wires and the electrodes are given in this set up and it will not work.
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5.75 Grams per cm^3
You do mass divided by volume
Answer:
Explanation:
Magnetic materials are always made of metal, but not all metals are magnetic. Iron is magnetic, so any metal with iron in it will be attracted to a magnet. Steel contains iron, so a steel paperclip will be attracted to a magnet too. Most other metals, for example aluminium, copper and gold, are NOT magnetic.
He was actually the first one to look at the moon.
The answer is "A. a pure substance can be separated by chemical means, while a mixture can be separated by physical means". A pure substance only has one type of substance, whereas a mixture has more than one. A pure substance therefore, can only be separated chemically, because it is not two things mixed together, whereas a mixture can be separated physically because there are multiple substances.