dbautis25

02.02.2020 • 

Chemistry

With 3 true/false questions for chem ! (just needs revision! )

1. the oxidation number of an atom of a free element is always 1.
true
false (i believe it's false)

2. an electrolytic cell uses electric current to drive a non-spontaneous chemical reaction; but, a voltaic reaction is spontaneous and does not require electric current to proceed.
true
false
(^ not sure about this one)

3. in a reaction, oxidation can occur independently of reduction.
true (i think its true)
false

Ответ:

dustinsampsin9029

17.01.2022

Chemistry

---

1) False, it is actually 0 not 1

2) True. Electrolytic cells have non-spontaneous reactions and voltaic cells have spontaneous ones

3) False. One species must gain the electrons that another species loses

Hope this helps

---

0,0(0 оценок)

Ответ:

raul20030603

16.05.2020

Chemistry

---

By experimenting

Explanation:

---

0,0(0 оценок)