In which reaction does the oxidation number of hydrogen change? a. hcl (aq) + naoh (aq) → nacl (aq) + h2o (l) b.2na (s) + 2h2o (l) → 2naoh (aq) + h2 (g) c. cao (s) + h2o (l) → ca(oh)2 (s) d.2hclo4 (aq) + caco3 (s) → ca(clo4)2 (aq) + h2o (l) + co2 (g) e. so2 (g) + h2o (l) → h2so3 (aq)?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles