Question

Which equation shows a physical change? (2 points)

Pb(NO3)2 (aq) + 2KI(aq) → 2KNO3(aq) + PbI2(s)
HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
2H2O(l) → 2H2(g) + O2(g)
H2O(g) → H2O(s)

Answer 1

@XioGonz @Timmyspu Idk there good at math.

Answer 2

thanks

Answer 3

mhm.

Answer 4

Ok so what do you need help with?

Answer 5

this problem

Answer 6

First, let's start by defining the word Physical Change

Answer 7

Do you know what physical change means?

Answer 8

I'm letting you know beforehand that your answer will not be A or B

Answer 9

I believe its C

Answer 10

I just wanted clarification

Answer 11

Yes you are correct.

Answer 12

Thank you for the help guys

Answer 13

No problem!

Answer 14

Great Job.

Answer 15

Thanks!