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...

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

According to the tide table below what time of day will the highest tide occur?

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction