1. NaI + F2  NaF + I2 2. Ca + N2  Ca3N2

3. Pb(ClO2)4 + Zn(SO4)  Pb(SO4)2 + Zn(ClO2)2

4. Li(OH)  Li2O + H2O

5. Cr + O2  Cr2O3

6. KClO4  KCl + O2

7. Ni(OH)2 + H2(SO4)  Ni(SO4) + H2O

8. Ga(CN)3 + Sn(BrO3)4  Sn(CN)4 + Ga(BrO3)3

9. Ca(NO3)2 + Fe  Fe(NO3)3 + Ca

10. Al + HCl  AlCl3 + H2

11. Ba(C2O4) + K(IO3)  Ba(IO3)2 + K2(C2O4)

12. Cs + Sr(CrO4)  Cs2(CrO4) + Sr

Calculate the mass percent of hydrogen in methyl acetate

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant