Answer:
0.316
Explanation:
ph --> H+ --> Oh-
H+ = 10^-ph
= 10^-12.5
= 3.16 x 10^-13
now for oh-
oh - = 1 x 10^-14 / 3.16 x 10^-13
= .0316
Answer:
Answer choice B
Explanation:
Since you do not know the volume of the liquid in each beaker, the one in the smaller beaker could have more substance and therefore more thermal energy. If they had the same amount of substance, then the more voluminous one would radiate faster. However, since you do not know this, there is no way to tell. PM me if you have more questions. Hope this helps!
the mass of the shells will remain the same because you can not change mass even if you were to leave this planet and go to the moon your weight would change but your mass remains the same
