Iwill rate ! neeed
what is the mole ratio of water to carbon dioxide in the following equation? c3h8 + 5o2 3co2 + 4h2o

6: 8

4: 3

7: 9

8: 6

i cannot figure this one

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