Zirconium has an atomic number of 40. how many neutrons are there in an isotope of zirconium-92? a. 40 b. 52 c. 92 d. 132

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory