Which letter (a-f) represents activation energy (Ea) of the forward reaction (reactants)?
Which letter (a-f) represents activation energy (Ea) of the reverse reaction (products)?

Which position represents spring in the southern hemisphere? a) b) c) d)

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium