The balanced equation for the combustion of ethene is given below. If 97.7 g of oxygen is used, how much heat energy will be produced?
C2H4+ 3O2 → 2CO2 + 2H2O + 1390 kJ

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

What is the formula that this ionic compounds could form sr2+p3-o2-

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?