The reaction H2O(l) + CO2(aq) H2CO3(aq) is at equilibrium. What does this mean?

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive

The lab procedure involves several factors, listed below some were variable and some were constant. label each factor below v for variable ot c for constant