Question

Which element is being oxidized in the redox reaction below?

Ca + HNO3 yields Ca(NO3)2 + NO2 + H2O

Ca
H
N
O

Answer 1

@Preetha @sweetburger Please!

Answer 2

@Ash90

Answer 3

okay here is how you go about doing this:
0+1-5-2 +2+5-2 +4-2+1-2
Ca + HNO3 -> Ca(NO3)2 + NO2 + H2O
Ca metal is oxidized to Ca2+
N is reduced from +5 to +4.
so your answer is Ca

hope this helped

Answer 4

Thank you so much!!!!! @Ash90

Answer 5

you're welcome :)

Answer 6

I know this is so much to ask but could you help me with one or two others?

Answer 7

@Ash90

Answer 8

i can try

Answer 9

just let me know when and if i don't reply i'll get back to you later if that's okay. I'll be stepping away from my desktop in a few.

Answer 10

Thank you so much!! Like this one is killing me: @Ash90

Answer 11

Actually I'll just make a new question so that you get more medals!