Answer:
2Cl-
Explanation:
When a substance is reduced, it gains electrons. Because electrons are negatively charged, the substance that is reduced will have a negative charge. 2Cl- is the substance that was reduced because it became negative.
thats very nice lol, things stuck in amber are very cool
Answer: A
Explanation: A, because when you eat it is you use chemical energy afterward you run and use mechanical energy. Ex of Chemical energy can be batteries and you digesting food. Mechanical is movement.
Answer:
0.22 mol / L
Explanation:
Please see the answer in the picture attached below.
Hope this can help you. Have a nice day !