6.0 moles of chlorine gas are placed in a 3.0-liter flask at 1250 K. At this temperature, the chlorine molecules begin to dissociate into chlorine atoms. What is the value of KC if 50% of the chlorine molecule dissociate when the equilibrium has been achieved

the catch is that the top numbers are atomic masses the bottom numbers are the numbers of protons and electrons in an uncharged atom. they are the number of that atoms as you would find them on the periodic table. further, the numbers on the left are used to determine the missing numbers on the right

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons

The velocity would be 2