Which is the correctly balanced equation? A) Cl2 + 2NaI = 2NaCl + I2

B) NaOH +HCl = NaCl + H2O2

C) 2HgO = Hg + O2

D) 2Li + H2O = 2LiOH + H2

PLS HURRY, TAKING TEST, NEED HELP NOW

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line