What effects can occur when heat energy is added to a system? select all that apply. a. increase in temperature
b. decrease in temperature
c. change of state
d. phase change

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

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?

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?