Determine whether or not each combination of substances can be used to create a buffer. 0.1 M HCl, 0.1 M KCl Choose... 1 M Na2HPO4, 1 M NaH2PO4 Choose... 0.05 M HNO2, 0.05 M NaNO2 Choose... 0.1 M NH4Cl, 0.1 M HCl Choose... 0.4 M KOH, 0.2 M NaOH Choose...

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 sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.