Because they're not confident enough to confirm it's indeed true but they will support it for they believe it's correct.
Answer:
C
Explanation:
As the temperature increases, the kinetic energy of the molecules increases.
4Ag + 2H2S + O2 -> 2Ag2S + 2H20 i’m pretty sure that’s correct
- Telleurium ( Te) is the chemical symbol
- electron is 52,
- there are 2 electron in 5s
Average distance between gas molecules become double,, hope it helpss