100 mL of water vapor is decomposed at high temperature to produce hydrogen and oxygen. The volumes of hydrogen and oxygen formed, when measured at 25 C and atmospheric pressure, are respectively
a. 50 mL and 50 mL
c. 100 mL and 50 mL
b. 50 mL and 100 mL
d. 100 mL and 100 mL

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

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Which material burns faster? metal aluminum