11.2L/22.4L (STP value) x 1 mol of CH4 x 16.04 g of CH4 = 8.2 g
I think Domain would be the best choice because your optoins dont make much sense :/
D. metamorphic rock melts and crystallizes to become igneous rock <span />
I think 25 grams.
Z = 76^2.2 x pi
Mass is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies. The basic SI unit of mass is the kilogram.