Which reaction is balanced correctly? C + O2 → 2CO2 CH4 + 4O2 → CO2 + 2H2O C3H8 + 5O2 → 3CO2 + 4H2O C6H12O6 + 3O2 → 6CO2 + 6H2O

What two sublevels of orbitals contain valence electrons? (s, p, d, or f) ?

How many moles of co2 are produced when 5.20 mol of ethane are burned in an excess of oxygen?

When does hail fall to the ground?

The formulas N2, H20, and CO2 all represent molecules, which are defined as what?

How many atoms are in 3.75 mol of calcium?

When bismuth-212 undergoes alpha decay, it becomes which of the following? asatine-208 + an alpha particle lead-210 + an alpha particle polonium-210 + and alpha particle thallium-208 + and alpha particle

Why do we not currently use more renewable energy in the U. S.

Based on the kinetic molecular theory, which of the following statements is correct about the particles in a sample of gas? They have negligible kinetic energy. There is negligible force of attraction between them.

The greenish color of plant cells comes from a. the cell membrane b. chloroplasts c. ink

Describe what might happen to the water cycle if less solar energy reaches Earth and how Earths climate would be affected.