Answer: 12 atoms
Explanation: the equation has 6H2 i.e
6*2 = 12
The PH of water is 7 because it contains an equal amount of h and oh- ions.
Answer = C. As the temperature increases, the speed of gas molecules increases.
As the temperature increases, the gas molecules gain kinetic energy, therefore their speed increases.
Answer: both numbers are 2
Explanation: