1. The effervescent tablet contains sodium bicarbonate (baking soda), which reacts with water in the following reaction:

H2O + NaHCO3 NaOH + CO2 + H2O

Count the number of each element on each side of the equation and record below:

2. Is this reaction balanced? Explain.

3 answers

so, did you count the atoms on both sides?
are they the same for all elements?
Yes I think so Hydrogen has 3 reactents 5 products, carbon has 3 & 3, Oxygen has 5 &5, and sodium has 1 &1
I don't believe much of what you answered for oobleck but I have a more profound question. Where did you get a screwball reaction like this?