For which of the following reactions are both reactants and products likely to be found when the reaction appears to be complete? how can you tell?
- mg + o2 --> 2mgo
- hf + h2o < --> h3o(+) +

The biosphere of the earth is made up of what compound? organic or inorganic?

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds