Answer: Water. H2O
Explanation: a chemical compound is composed of many identical molecules made from more than one element, in this case Hydrogen and Oxygen.
B. Energy transfer would occur between the copper bars and the surroundings.
Explanation:
In an open system, energy transfer would occur between the copper bars and the surroundings.
There are three types of systems:
- Isolated system in which matter and energy is not exchange with the surrounding.
- Closed system there is no exchange of matter but energy is exchanged with the surrounding.
- Open system: there is exchange of both matter and energy.
If the copper bars were placed in an open system matter and energy will be exchanged with the surrounding.
Learn more:
Isolated system brainly.com/question/7973509
#learnwithBrainly
You may want to ask the questions seperatly more likely for someone to answer
Answer:
used in irrigation to transfer water over a barrier
