When the following equation is balanced with the lowest whole number coefficients possible, what is the coefficient in front of o2? c3h8 (g) + o2 (g) > co2 (g) + h2o (g)

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Which of these conditions most likely produces an unstable isotope?

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer