Balancing chemical equations worksheet instructions: after you have read the section in the text on balancing chemical equations and viewed the tutorial on the topic, then balance the equations below. insert the coefficients in the spaces provided. 1. ___2__ h2 + ___2__ o2 => __2_ h2o 2. ___2__ n2 +__3___ h2 =>___2__ nh3 3. _____ s8 + _____ o2 =>_____ so3 4. ___2__ n2 + ___2__ o2 => ___2__ n2o 5. _____ hgo =>_____ hg + _____ o2 6. _____ co2 + _____ h2o =>_____ c6h12o6 + _____ o2 7. _____ zn + _____ hcl =>_____ zncl2 + _____ h2 8. _____ sicl4 + _____ h2o =>_____ h4sio4 + _____ hcl 9. _____ na + _____ h2o =>_____ naoh + _____ h2 10. _____ h3po4 =>_____ h4p2o7+ _____ h2o