CH4+2O₂ > CO2 + 2H₂O

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2