Chemical equation search Step 2. Select the equation and press 'Solve the problems with equation' at the bottom of the page find chemical equation Verified equations are green and unverified ones are red, use them at your own risk! Equations, that correspond to your query more strictly. Up to 25 equations: 5. 2H2+O2=2H2O 103264. H2+O2=2HOEquations, that correspond to your query less strictly. Up to 10 random equations (renew this page to see others): 70572. Fe(oh)3=h2o 61223. CuSO4+NaOH=Cu(OH)2+Na2SO4 45578. Hg+O2=HgO 79702. Li2O+2HBr=LiBr+H2O 55507. Fe(OH)2+O2+H2O=Fe(OH)3 83215. HgO-=O2- 84057. NO2+H2O=HNO2+HNO3 85917. CaCO3+2HNO3=Ca(NO3)2+CO2+H2O 79490. Fe2O3+3H2=2Fe+3H2O 80582. Fe(OH)3+H2SO4=Fe2(SO4)3solve a problem with equation