How many grams are in 2.3 moles of calcium phosphate, ca3(po3)2

Does the energy in a solid increase or decrease when changing to a liquid?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

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