Which type of chemical reaction is represented by the reaction shown below?
CH4 + 202 -
CO2 + 2H20
O Double Replacement
O Single Replacement
O Combination (synthesis)
O Combustion
O Decomposition

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

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?

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?