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. h2 + o2 => __2_ h2o 2. n2 + h2 => nh3 3. s8 + o2 => so3 4. n2 + o2 => 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

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

When balancing a chemical equation:

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.