3. Which of the following best describes Earth's specific location in space? A. within a solar system
B. in a cluster of galaxies
C. at the edge of a supercluster.
D. at the center of a spiral galaxy.

How will the emission of an alpha particle affect the atomic number of an atom

What reaction is taking place? 02 + c3h8 = h20 + co2

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2