Author Archives: admin

Mandy asks… Oxidation numbers? i need to find the oxidation numbers for all of the atoms in the following equations: Cu + HNO3 —> CuNO3 + H2 KMnO4 + H2O2 —> KOH + MnO2 + O2 i believe these equations … Continue reading →

Paul asks… HELP PLEASE, chemistry questions? Please, and THANK YOU SO MUCH in advance. Find the oxidation number for: O in H2O2 Ca in Ca(OH)2 O in O2- Rb in Rb+ Fe in Fe(s) O in OF Cl in CaCl2 … Continue reading →

Chris asks… Can someone help assign oxidation numbers to the following compounds? Does anyone want to help assign oxidation numbers to the following? H2O H2O2 Na2O NaO2 K2Cr2O7 (MnO4)- (Fe)3 Cl2 OF2 HCN N2H4 (S2O3)2- admin answers: First some general … Continue reading →

Nancy asks… Hyperbaric oxygen treatment for Lyme disease? I’ve heard about hyperbaric oxygen treatment as a therapy for Lyme disease? Has anyone else with Lyme tried this or knows someone who has? admin answers: Though I haven’t tried it, I … Continue reading →

Paul asks… Need help with two chemistry question? In which compound is the oxidation number of oxygen -1? 1)CO 2)CO2 3)H2O 4) H2O2 Oxygen will have a positive oxidation number when combined with 1) F 2) Cl 3) Bromine 4) … Continue reading →