How many grams of oxygen are required to react completely with 3.6L of hydrogen at
STP to form water?

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a. oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.

Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol