Hydrocarbons are compounds that are made up of only carbon and hydrogen atoms. Write the skeleton equation and balanced chemical equations, including all states of matter, for the complete
combustion of propane (C, Hg).

Why does a red shoe appear red in daylight

Which other elements contain the same number of outer electrons as sodium

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils